{
  "source_document": "industry_progression_expansion.txt",
  "design_status": "Additive direction for integration; original approved text untouched.",
  "industrial_bands": [
    {
      "id": "IP00",
      "title": "Campcraft",
      "capability": "Familiar hand tools, repairs, light, ordinary smelting, field records",
      "first_result": "A prepared descent and a dependable way home",
      "exploration_relationship": "Overworld and approachable Shallows routes"
    },
    {
      "id": "IP01",
      "title": "Mechanical workshop",
      "capability": "Timber work, ceramics, simple fittings, useful motion, water handling",
      "first_result": "A working mill, pump, hoist, or repaired workshop",
      "exploration_relationship": "Old Valley and repeated local journeys"
    },
    {
      "id": "IP02",
      "title": "Powered workshop",
      "capability": "Modest electricity, charging, repeatable parts, basic control",
      "first_result": "A tool or service powered by a workshop the player built",
      "exploration_relationship": "Surface industry and more capable field work"
    },
    {
      "id": "IP03",
      "title": "Tier 1 flight preparation",
      "capability": "Confirmed fabrication and assembly stations, basic sealed equipment, prepared travel supplies",
      "first_result": "A commissioned Tier 1 expedition with a protected return",
      "exploration_relationship": "First orbital or lunar mission supported by its actual craft configuration"
    },
    {
      "id": "IP04",
      "title": "Regional industry",
      "capability": "Steel production, bulk handling, concentration, reliable local automation",
      "first_result": "A repeatable supply order and a working regional connection",
      "exploration_relationship": "Deepwilds, Underreach, Abyss, and developed home regions"
    },
    {
      "id": "IP05",
      "title": "Deep thermal and chemical work",
      "capability": "Better alloys, refined lightweight stock, managed heat, specialized chemistry",
      "first_result": "A longer difficult expedition or a new material process",
      "exploration_relationship": "Mantle, Core, demanding Earth sites, and optional factory specialization"
    },
    {
      "id": "IP06",
      "title": "Lunar industry",
      "capability": "Dust service, local ceramics, optical products, small habitat production",
      "first_result": "A useful lunar refit and a stronger second expedition",
      "exploration_relationship": "Moon surface regions and all three lunar underground layers"
    },
    {
      "id": "IP07",
      "title": "Frontier industry",
      "capability": "Mobile service, durable frames, compact processing, longer logistics",
      "first_result": "A self-sufficient field operation and a developed Frontier Yard",
      "exploration_relationship": "Mars; Ceres is an optional industrial branch"
    },
    {
      "id": "IP08",
      "title": "Outer-world systems",
      "capability": "Pressure, extreme cold, specialized materials, larger energy and research options",
      "first_result": "A supported expedition into a distinctly different environment",
      "exploration_relationship": "Europa, Titan, Pluto, with optional Io specialization"
    },
    {
      "id": "IP09",
      "title": "Interstellar science",
      "capability": "Mature independent services, precision navigation, bounded advanced field work",
      "first_result": "A prepared Afterlight voyage and later local investigations",
      "exploration_relationship": "Cairn and Morrow, with an independent return capability"
    }
  ],
  "machine_functions": [
    {
      "id": "IND-M01",
      "name": "Carpenter and repair bench",
      "existing_catalogue_refs": [
        "TEC01"
      ],
      "input_output_interaction": "Familiar stock, handles, fasteners, and damaged ordinary equipment become structural parts or repaired tools. Work happens on an open bench with racks and a returned-item position.",
      "gate_cost_tradeoff": "Early. Low setup cost and broad ordinary utility; manual batches remain practical. Repair consumes relevant replacement material rather than another whole tool.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M02",
      "name": "Part Fabrication Table",
      "existing_catalogue_refs": [
        "TEC01",
        "TEC13"
      ],
      "input_output_interaction": "The confirmed Tier 1 station produces its labeled components from accessible ingredients and ordinary prepared parts. Component positions and the finished-part display follow the supplied concepts.",
      "gate_cost_tradeoff": "Early Tier 1. The first recipe set stays short and legible. Powered attachments can accelerate repeated orders without changing the station's identity or making advanced alloys a hidden prerequisite.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M03",
      "name": "Timber mill",
      "existing_catalogue_refs": [
        "TEC01"
      ],
      "input_output_interaction": "Logs or accepted timber become prepared boards and structural stock, with a separate recoverable offcut output. A visible feed table leads past the cutting action to a collection rack.",
      "gate_cost_tradeoff": "Mechanical or powered workshop. Better bulk handling costs space and motion. Hand preparation remains available for small orders; offcuts have bounded fuel or building uses.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M04",
      "name": "Forming press and rolling stand",
      "existing_catalogue_refs": [
        "TEC03"
      ],
      "input_output_interaction": "Ordinary or refined metal stock becomes plates, brackets, beams, and selected shaped parts using reusable patterns. Feed and output lanes show which stock is being worked.",
      "gate_cost_tradeoff": "Regional capacity upgrade, with simple shaping available earlier. Wider or faster production requires more power and workspace. Patterns organize useful shapes instead of creating a unique mold for every trivial item.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M05",
      "name": "Drawing and precision bench",
      "existing_catalogue_refs": [
        "TEC03"
      ],
      "input_output_interaction": "Prepared stock becomes wire, rods, couplings, and service components. The player selects a known form, mounts a reusable tool, and collects a bounded batch.",
      "gate_cost_tradeoff": "Basic versions support early copper fittings. Precision tooling later unlocks specialist tolerances as game categories. It improves relevant components rather than multiplying every item's power.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M06",
      "name": "Carbon retort",
      "existing_catalogue_refs": [
        "TEC03"
      ],
      "input_output_interaction": "Suitable renewable carbon feedstock becomes consistent furnace carbon and a limited useful residue. A charge door, heat source, cooled output, and recoverable byproduct store explain its cycle.",
      "gate_cost_tradeoff": "Optional early-to-regional efficiency. Ordinary charcoal and supported substitutes keep the first steel route accessible. Residue handling cannot become a compulsory nuisance for a small workshop.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M07",
      "name": "Alloy hearth",
      "existing_catalogue_refs": [
        "TEC03"
      ],
      "input_output_interaction": "Copper, tin, and approved metal combinations become recognizable basic alloys. The hearth shows charge, heat, and a finished stock position.",
      "gate_cost_tradeoff": "Early. Fuel and a small batch limit provide a simple first route. Bronze is useful for fittings without replacing all iron equipment. Alternative common-material Tier 1 parts remain possible where the confirmed design requires them.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M08",
      "name": "Controlled steel furnace",
      "existing_catalogue_refs": [
        "TEC03"
      ],
      "input_output_interaction": "Iron and a supported carbon supply pass through a visible controlled batch to structural steel, with a bounded slag output. Loading and hot-work access remain distinct.",
      "gate_cost_tradeoff": "Regional industry; useful earlier where a project justifies it. The first furnace uses accessible refractory construction and fuel. Electrical blowers and improved heat recovery are upgrades, not prerequisites for the first steel.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M09",
      "name": "Kiln and ceramic forming station",
      "existing_catalogue_refs": [
        "TEC02"
      ],
      "input_output_interaction": "Ceramic clay and selected additives become vessels, insulation, furnace parts, or supported panels. Green pieces, a firing chamber, and cooling shelves expose the stages.",
      "gate_cost_tradeoff": "Early. Simple recipes use common clay and fuel. Technical, lunar, and specialized recipes extend the same family. A larger kiln improves batch capacity while asking for a larger site and heat supply.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M10",
      "name": "Panel and laminate table",
      "existing_catalogue_refs": [
        "TEC02",
        "TEC04"
      ],
      "input_output_interaction": "Prepared panels, cloth, resin or an approved early seal material, and fittings become composites and enclosed service parts. Layers and joins remain visible during assembly.",
      "gate_cost_tradeoff": "Early simple enclosures; regional specialist composites. Property choices trade lightness, repairability, insulation, or protection. A panel should not acquire every beneficial property merely because its recipe is longer.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M11",
      "name": "Loom and textile station",
      "existing_catalogue_refs": [
        "TEC04"
      ],
      "input_output_interaction": "Gathered or cultivated fiber becomes cloth, straps, rope treatments, and insulation. The station shows raw bundles, active weaving, and finished rolls.",
      "gate_cost_tradeoff": "Early. Safe fringe sources and ordinary substitutes support the first use. Powered production increases repeat capacity. The essential supply chain never requires killing rare wildlife.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M12",
      "name": "Seal and filter bench",
      "existing_catalogue_refs": [
        "TEC04",
        "TEC12"
      ],
      "input_output_interaction": "Appropriate cloth, sealing material, fittings, and service stock become replaceable filters, gaskets, patches, and simple sealed equipment parts. Used components are inspected at a clear work surface.",
      "gate_cost_tradeoff": "Early Tier 1 support. Honeycomb appears in the supplied example material lists and can fit the game's basic seal vocabulary. Later resin or polymer variants improve particular duties; this is fictional crafting, not a claim of real aerospace suitability.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M13",
      "name": "Managed cultivation beds",
      "existing_catalogue_refs": [
        "TEC05"
      ],
      "input_output_interaction": "A known sample, suitable substrate, and one or two readable conditions produce renewable food, fiber, resin, or biolume material. Bed markers and visible growth show the current condition.",
      "gate_cost_tradeoff": "Early fringe cultivation through later planetary specializations. Initial samples unlock propagation. Managed plots have finite output and local boundaries, protecting the value of natural environments and preventing unlimited accidental spread.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M14",
      "name": "Biological extractor and fermenter",
      "existing_catalogue_refs": [
        "TEC05",
        "TEC08"
      ],
      "input_output_interaction": "Approved renewable biomass becomes a bounded useful extract, industrial feedstock, or supported fuel precursor. A vessel, feed basket, culture record, and collection point make the process visible.",
      "gate_cost_tradeoff": "Regional optional branch. It offers a use for sustained cultivation and excess produce. The complete fuel chain must pay its land, power, and feedstock costs; self-feeding production cannot generate unlimited resources.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M15",
      "name": "Pump installation",
      "existing_catalogue_refs": [
        "TEC06"
      ],
      "input_output_interaction": "A visible intake moves an identified liquid to an authorized destination through a readable pipe route. The portable version remains EQ18; a permanent installation adds capacity and mounting.",
      "gate_cost_tradeoff": "Early through regional. It solves a bounded water or transfer problem. Previewed limits, head category, and receiving capacity prevent silently draining a whole lake or filling a protected settlement.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M16",
      "name": "Water treatment station",
      "existing_catalogue_refs": [
        "TEC06"
      ],
      "input_output_interaction": "Collected or supplied water passes through replaceable treatment media to the process-water or habitat-water category the recipe requires. The dirty-input and clean-output points differ in shape and label.",
      "gate_cost_tradeoff": "Early compact service, regional recovery upgrades. A first lunar loadout can carry prepared supplies. Treatment adds specific utility without introducing a universal drinking-water chore into ordinary Minecraft survival.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M17",
      "name": "Reservoir and manifold",
      "existing_catalogue_refs": [
        "TEC06"
      ],
      "input_output_interaction": "Accepted fluid batches enter labeled tanks and leave through configured valves. A sight gauge, material icon, fill connector, and drain destination remain visible.",
      "gate_cost_tradeoff": "Early containers; regional shared systems. Storage buys time and convenience but occupies space. Incompatible batches are rejected with an explanation instead of silently deleting or transforming their contents.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M18",
      "name": "Crusher",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Ore-bearing material becomes a prepared feedstock or aggregate. Material descends through a guarded visible crushing action toward a collection bin.",
      "gate_cost_tradeoff": "Regional bulk process, with direct ordinary smelting retained. Crushing enables selected recovery routes and construction products. It consumes power, wears a serviceable working component during use, and needs real output capacity.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M19",
      "name": "Washing and classification table",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Crushed material and process water become separated usable fractions plus a recoverable residue. Moving screens, channels, and labeled discharge points explain the separation.",
      "gate_cost_tradeoff": "Regional specialization. It can improve recovery from suitable deposits or reduce later process load. Water use and residue capacity create a site decision; unsuitable ores do not receive an automatic benefit.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M20",
      "name": "Concentration separator",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "A material-specific prepared feedstock becomes a richer concentrate and a bounded secondary fraction. A magnetic-looking, density, or other authored process module expresses the recipe's physical identity.",
      "gate_cost_tradeoff": "Regional. Module choice depends on material family. The machine improves selected feedstocks and does not detect every valuable block in the world or multiply finished ingots.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M21",
      "name": "Electrical materials cell",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Prepared alumina feedstock and supported consumables become lightweight metal stock using established electricity. Separate charge, process, and finished-material zones show the transformation.",
      "gate_cost_tradeoff": "Regional specialization. Its first frame, electrodes, and insulation use previously reachable materials. It cannot require its own finished aluminum product. Lightweight stock improves selected cargo and equipment choices without gating the confirmed common-material Tier 1 hull.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M22",
      "name": "High-duty alloy and treatment furnace",
      "existing_catalogue_refs": [
        "TEC03",
        "TEC08"
      ],
      "input_output_interaction": "Prepared metals and selected additives become reinforced alloy or titanium frame stock through controlled thermal work. A treatment recipe can change an existing component's appropriate duty category.",
      "gate_cost_tradeoff": "Deep industry. Nickel and titaniferous sources support distinct uses. Heat, power, and refractory service create costs. Higher-duty parts improve specific loads and environments rather than invalidating every earlier frame.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M23",
      "name": "Reaction vessel",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Supported solid, liquid, or gas inputs become a specified reagent, composite precursor, or treated material. The vessel shows recipe identity, contents, service connections, and a bounded process state.",
      "gate_cost_tradeoff": "Regional chemistry. A small set of reusable reaction patterns carries the system. Mixed recipes do not run without deliberate selection, adequate output storage, and a valid compatible vessel configuration.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M24",
      "name": "Evaporation and crystallization works",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Saline or mineral-bearing feedstock becomes a concentrated process supply and useful separated material. Broad surfaces or enclosed chambers match the selected heat and climate method.",
      "gate_cost_tradeoff": "Regional, with frontier variants. Sun-assisted or local-heat operation trades site suitability for lower supplied energy. Powered enclosure offers reliability and compactness. Ordinary rock salt retains a simpler route into relevant recipes.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M25",
      "name": "Electrolytic separator",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Supported liquid feedstocks become defined process-gas or chemical outputs. Separate collection paths and clear gauges teach that one input can create more than one useful stream.",
      "gate_cost_tradeoff": "Regional chemistry. Every required output needs space or an explicit supported handling choice. The complete separation-and-generation loop must consume net energy; the first breathing refill service need not require this advanced plant.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M26",
      "name": "Gas conditioning and compressor",
      "existing_catalogue_refs": [
        "TEC08",
        "TEC12"
      ],
      "input_output_interaction": "Accepted process gas becomes a dry, compressed, or otherwise supported service batch for an appropriate vessel. Drive, intake, filter, storage, and fill connection remain recognizable.",
      "gate_cost_tradeoff": "Early service form for mission supplies; regional plant form for bulk work. Greater storage density trades energy, vessel cost, and service needs. The player sees a simple duty category rather than many overlapping real-world pressure calculations.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M27",
      "name": "Phase-conditioning unit",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "A supported material changes between the game's useful liquid and gas storage forms through a powered thermal process. Both physical connections and the current direction are visible.",
      "gate_cost_tradeoff": "Regional-to-frontier. Compact storage or a particular recipe justifies the conversion. Heating and cooling need a sink or source. Reversing the process cannot create free energy or duplicate material.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M28",
      "name": "Chemical washing and recovery train",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Selected concentrate, a known reagent, and process water produce a purified material plus a recoverable spent stream. Separate vessels make treatment and recovery readable.",
      "gate_cost_tradeoff": "Advanced regional option. Improved yield or purity costs plant space, energy, and reagent handling. A simpler direct process remains viable for ordinary projects. Residue recovery reduces costs within a finite material budget.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M29",
      "name": "Crystal and optical growth chamber",
      "existing_catalogue_refs": [
        "TEC08",
        "TEC09"
      ],
      "input_output_interaction": "Prepared mineral stock and controlled conditions produce a defined optical or instrument component. A protected growth space and inspection window provide a distinctive action.",
      "gate_cost_tradeoff": "Deep and frontier specialization. Natural quartz and basic glass provide the first instruments. The chamber adds reliability or special properties for later optics, including lunar and distant-world products.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M30",
      "name": "Polymer and composite works",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Approved Earth or planetary feedstocks become seal stock, insulating products, membranes, and supported composite parts. Reaction, forming, and curing appear as a short readable sequence.",
      "gate_cost_tradeoff": "Regional-to-frontier. Earth products cover initial needs; Titan and other discoveries offer specific improvements. The plant creates material choices rather than a universal plastic required for every unrelated object.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M31",
      "name": "Scrap and residue reclaimer",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "Supported scrap, offcuts, and selected spent materials return a stated recoverable fraction or a useful construction product. Inspection distinguishes reusable components from material for processing.",
      "gate_cost_tradeoff": "Regional. It rewards thoughtful layouts and upgrades. It never returns more total material than the originating chain supplied, preserves component identity where appropriate, and excludes protected specimens and mission reserves.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M32",
      "name": "Workshop dynamo and source assemblies",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "An authored waterwheel, wind source, or small fueled drive provides modest electricity through a visible dynamo and connector. Motion makes generation easy to recognize.",
      "gate_cost_tradeoff": "Early. A compact fueled option guarantees a geography-independent starting route. Renewable site choices exchange ongoing feedstock needs for placement requirements, variable output, or a larger footprint.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M33",
      "name": "Boiler, engine, and condenser plant",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "Fuel or a supported heat source drives a closed, readable steam-power game process. Water connection, boiler, moving engine or turbine, and return condenser remain separate visible roles.",
      "gate_cost_tradeoff": "Regional. Better sustained output costs space, heat management, and service capacity. A compact early generator remains useful for intermittent work and field locations. The condenser reduces supply burden without creating free inputs.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M34",
      "name": "Liquid or gas fuel engine",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "An accepted prepared fuel becomes electricity and a bounded heat or exhaust output. A tank, engine, cooling service, and shutoff explain operation.",
      "gate_cost_tradeoff": "Regional optional generation. Convenient sustained power pays for its whole upstream fuel chain. Renewable biological and other approved sources are evaluated as complete systems, including their cultivation and processing demand.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M35",
      "name": "Solar array and controller",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "A suitable exposed array provides power according to the world's supported lighting rules. A controller and storage connection show what is available now and what is reserved.",
      "gate_cost_tradeoff": "Early or regional where its actual recipe permits; useful planetary option. Area, shading or authored local conditions, and storage need balance its convenience. It cannot be a universal solution in dark underground sites.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M36",
      "name": "Thermal recovery module",
      "existing_catalogue_refs": [
        "TEC07",
        "TEC08"
      ],
      "input_output_interaction": "An existing hot process or approved environmental installation supplies useful heat to another service or contributes bounded electricity. A visible exchanger separates the source from the receiving loop.",
      "gate_cost_tradeoff": "Regional through optional Io specialization. It recovers part of energy already being supplied or accesses a defined site resource. A device cannot power itself indefinitely by recapturing its own waste heat.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M37",
      "name": "Stationary power bank",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "Electrical input charges modular storage that later supplies a defined capacity and discharge rate. Cell housings, a charge gauge, and isolation points communicate scale.",
      "gate_cost_tradeoff": "Early small buffers; regional banks. Capacity supports interruptions and expeditions. Output rate limits how many heavy processes run together. Stored energy remains stable during an absent region's parked state.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M38",
      "name": "Switchboard and distribution station",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "Sources connect to labeled service branches with breakers, priority assignments, and supported cable or bus connections. The player can trace a selected machine back to its supply.",
      "gate_cost_tradeoff": "Early simple switch, regional distribution. Higher-duty branches require appropriate conductors and housings. Overload stops a readable branch safely by default; it does not invisibly remove energy or destroy an ordinary home.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M39",
      "name": "Field-cell charging rack",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "Available electricity charges reusable field cells and EQ19 field batteries through recognizable slots. A reserved expedition tray distinguishes packed supplies from general stock.",
      "gate_cost_tradeoff": "Early and Tier 1 support. Charging takes active-region work and an appropriate power supply. Routine automation cannot consume the cells already assigned to an expedition or an emergency service.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M40",
      "name": "Oxygen Generator — compact air-supply preparation (T1-M05)",
      "existing_catalogue_refs": [
        "TEC12"
      ],
      "input_output_interaction": "A defined Earth atmosphere or water-processing input supports the game's breathing-supply product. The player supplies power and service materials and collects a prepared batch. This is the confirmed Oxygen Generator in REF15; the preparation-bench wording describes its function, not a separate required machine.",
      "gate_cost_tradeoff": "Early Tier 1. It is deliberately accessible without a large chemical plant. The route is a game abstraction with explicit inputs; local environments must be compatible before an outpost can reproduce the same service.",
      "artwork_handling": "Confirmed Tier 1 overview artwork included in REF15: Oxygen Generator. Reuse its appearance; detailed port, interaction and state artwork remains backlog.",
      "reference_aliases": [
        "Compact air-supply preparation bench",
        "Oxygen Generator"
      ],
      "related_tier1_ids": [
        "T1-M05"
      ],
      "confirmed_artwork_refs": [
        "REF15"
      ]
    },
    {
      "id": "IND-M41",
      "name": "Breathing-supply refill rack",
      "existing_catalogue_refs": [
        "TEC12"
      ],
      "input_output_interaction": "Prepared SUPPLY02 fills the existing EQ24 vessels through the confirmed compatible fittings. Gauge, cylinder state, and occupied fill positions are visible.",
      "gate_cost_tradeoff": "Early Tier 1. Refill replaces repeated manufacture of whole tanks. Reserve protection separates mission, refuge, and ordinary stock. Larger racks improve group preparation without altering the underlying supply family.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M42",
      "name": "Seal and enclosure test cabinet",
      "existing_catalogue_refs": [
        "TEC12"
      ],
      "input_output_interaction": "A supported suit component, small vessel, or assembled service module enters a bounded inspection cycle and leaves with a clear usable or repair-needed state.",
      "gate_cost_tradeoff": "Early Tier 1 support. Inspection consumes modest power and relevant service material where required. It reveals defined faults; it should not demand random repeated trials or surprise hidden certification statistics.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M43",
      "name": "Habitat utility module",
      "existing_catalogue_refs": [
        "TEC12"
      ],
      "input_output_interaction": "An occupied supported habitat receives breathable service, power priority, and environmental status from a readable combined utility installation. Stored reserves and active demand are easy to inspect.",
      "gate_cost_tradeoff": "Tier 1 refuge onward. A larger or more independent habitat needs more capacity and cargo investment. Parked managed habitats retain their saved safe state; their services do not consume supplies through an absence penalty.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M44",
      "name": "Thermal service unit",
      "existing_catalogue_refs": [
        "TEC12"
      ],
      "input_output_interaction": "Power, a reusable cooling or heating loop, and suitable support material maintain the game's defined thermal equipment or room duty. Radiator-like or exchanger surfaces show its relationship to the surroundings.",
      "gate_cost_tradeoff": "Basic thermal preparation through planetary specializations. Duration, compactness, and active power demand create meaningful alternatives. Mantle resources improve capability after a first accessible equipment version exists.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M45",
      "name": "Fuel Refinery — propellant preparation (T1-M03)",
      "existing_catalogue_refs": [
        "TEC08",
        "TEC14"
      ],
      "input_output_interaction": "Accessible Earth feedstocks and established power produce SUPPLY01 through the supported Tier 1 process. Prepared supply moves into labeled transport or launch storage. This is the confirmed Fuel Refinery in REF15; the preparation-service wording describes its function, not a second starter processor.",
      "gate_cost_tradeoff": "Early Tier 1 service; regional bulk plant later. The final recipe must fit the confirmed early engineering branch. Travel allocations remain distinct from general workshop fuel, and the first return supply is manufactured before departure.",
      "artwork_handling": "Confirmed Tier 1 overview artwork included in REF15: Fuel Refinery. Reuse its appearance; detailed port, interaction and state artwork remains backlog.",
      "reference_aliases": [
        "Propellant preparation service",
        "Fuel Refinery"
      ],
      "related_tier1_ids": [
        "T1-M03"
      ],
      "confirmed_artwork_refs": [
        "REF15"
      ]
    },
    {
      "id": "IND-M46",
      "name": "Rocket Assembly Station",
      "existing_catalogue_refs": [
        "TEC13"
      ],
      "input_output_interaction": "The confirmed station receives labeled Tier 1 components and completes a recognized craft through visible authored assembly. Part positions, access, and presentation follow the supplied art.",
      "gate_cost_tradeoff": "Early Tier 1. Its controller exposes the actual required parts and useful next action. Later industrial improvements can assist handling without rewriting its accepted design or turning each assembly into a maximum-tier factory project.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M47",
      "name": "Component service and test stand",
      "existing_catalogue_refs": [
        "TEC13"
      ],
      "input_output_interaction": "A known propulsion, electrical, control, or structural module receives a bounded game inspection or repair. The stand shows the module's identity and the service being performed.",
      "gate_cost_tradeoff": "Tier 1 simple servicing, later specialist variants. The goal is understandable readiness and repair. No real engine-test procedure or elaborate engineering certification simulation is implied.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M48",
      "name": "Launch service and recovery connections",
      "existing_catalogue_refs": [
        "TEC14"
      ],
      "input_output_interaction": "A supported craft connects to appropriate power, fuel, preparation, cargo, and recovery services through visible attachment points and the confirmed launch-site objects.",
      "gate_cost_tradeoff": "Tier 1. Readiness depends on the actual vehicle and route. Ground services disconnect through a clear launch state and preserve remaining stock. Recovery returns cargo and repair work to a useful place at home.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M49",
      "name": "Suit and equipment service dock",
      "existing_catalogue_refs": [
        "TEC12",
        "TEC13"
      ],
      "input_output_interaction": "Worn or carried equipment connects to compatible refill, charging, repair, and cleaning services. The dock presents the destination loadout and individual items that need attention.",
      "gate_cost_tradeoff": "Early Tier 1 through frontier. It consolidates familiar preparation after the player learns each need. Its benefit is convenience; it does not provide supplies or repairs from nothing.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M50",
      "name": "Survey and optical bench",
      "existing_catalogue_refs": [
        "TEC09"
      ],
      "input_output_interaction": "Recorded observations, samples, basic optics, and housings become maps, survey assemblies, and calibrated instruments. The bench connects a physical specimen with the route or question it informs.",
      "gate_cost_tradeoff": "Early field records; later optical and resonant specialization. Data unlocks a relevant method once. Production still uses actual material, and a player's basic return map stays readable during specialist instrument interference.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M51",
      "name": "Sample laboratory",
      "existing_catalogue_refs": [
        "TEC08",
        "TEC09"
      ],
      "input_output_interaction": "A preserved mineral, fluid, or biological sample becomes a useful identification, processing option, or cultivation record. Containers and environmental needs stay attached to the sample's identity.",
      "gate_cost_tradeoff": "Regional and planetary. Portable analysis gives a first result; an established lab supports deeper work. Essential discoveries can be recovered or repeated without relying on one destructible specimen.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M52",
      "name": "Sensor and control cabinet",
      "existing_catalogue_refs": [
        "TEC07",
        "TEC09"
      ],
      "input_output_interaction": "Simple sensors, redstone-compatible control functions, and explicit rules operate known equipment. A panel can show “reserve full,” “receiver unavailable,” or the reason an order is waiting.",
      "gate_cost_tradeoff": "Early switches; regional automation. A small vocabulary of conditions supports useful factories before advanced logic. It follows ownership and regional activity rules and cannot keep an absent factory secretly running.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M53",
      "name": "Hoist and lift installation",
      "existing_catalogue_refs": [
        "TEC10"
      ],
      "input_output_interaction": "An authored landing pair, frame, drive, and cargo attachment move players or reserved loads through a known route. EQ08 remains the cargo winch family used by this installation.",
      "gate_cost_tradeoff": "Mechanical through regional. Load category, supported path, and landing capacity are visible. A hand or simple powered version teaches the route; later service improves reliability and capacity.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M54",
      "name": "Conveyor and loading bay",
      "existing_catalogue_refs": [
        "TEC11"
      ],
      "input_output_interaction": "Identified goods move between nearby authorized buffers through visible belts, chutes, loaders, or container connections. Filters and arrows describe the intended destination.",
      "gate_cost_tradeoff": "Regional. Local transport trades building space and power for convenience. Backpressure stops feeding when an output is full. The system never drops valuables into the world merely because a receiving slot became occupied.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M55",
      "name": "Stockroom and order desk",
      "existing_catalogue_refs": [
        "TEC11"
      ],
      "input_output_interaction": "Existing categorized storage supports a searchable inventory view, reserved project supplies, and bounded production orders. Physical racks and containers retain their place in the settlement.",
      "gate_cost_tradeoff": "Regional. The first form can use ordinary labeled storage. Later indexing reduces sorting effort; it does not create infinite capacity, duplicate stock, or grant access to another player's private containers.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M56",
      "name": "Freight dispatch and receiving service",
      "existing_catalogue_refs": [
        "TEC11"
      ],
      "input_output_interaction": "Already-produced authorized goods are reserved, dispatched along an established link, and received through a finite arrival process. The destination shows cargo, progress, and the reason for waiting.",
      "gate_cost_tradeoff": "Regional through space network. Its route and capacity must exist. Receiving-region activity can advance delivery while the source is absent. Dispatch never starts fresh remote production or requires both endpoints occupied together.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M57",
      "name": "Bounded excavation assembly",
      "existing_catalogue_refs": [
        "EQ05",
        "TEC08"
      ],
      "input_output_interaction": "A surveyed, previewed working area yields actual accessible material through a visible drill, support frame, and collection point. Its service system and excavation exclusions are inspectable.",
      "gate_cost_tradeoff": "Regional specialist option. Power, heads, workspace, and deposit limits balance throughput. It stops at unexpected hazards, protected content, exclusions, or full output. It does not silently mine every valuable block through unknown terrain.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M58",
      "name": "Frontier vehicle service bay",
      "existing_catalogue_refs": [
        "TEC13"
      ],
      "input_output_interaction": "SUP01 rovers, SUP02 cargo crawlers, SUP03 ice submersibles, or SUP04 supported atmospheric craft receive their relevant charging, repair, pressure, cargo, and instrument service.",
      "gate_cost_tradeoff": "Frontier by vehicle family. Each bay uses a shared workshop language with destination-specific equipment. The first arrival carries what is necessary before locally improved products become available.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M59",
      "name": "Parallel production line",
      "existing_catalogue_refs": [
        "TEC01",
        "TEC03",
        "TEC08"
      ],
      "input_output_interaction": "Known processes gain additional working positions, buffers, and shared handling. More than one batch can be produced within a visibly larger or more capable installation.",
      "gate_cost_tradeoff": "Regional-to-advanced capacity option. Parallel work pays approximately for the extra machines and supply demand it replaces. It does not multiply output merely by applying a universal “factory” upgrade to one small block.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M60",
      "name": "Shielded materials laboratory",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "A dedicated enclosure prepares, contains, recovers, and accounts for the fictional specialized materials used by a reactor or radiological research branch. Separate service and storage positions make custody visible.",
      "gate_cost_tradeoff": "Advanced backlog. Any added natural feedstock needs an explicit generation and material-catalogue decision. It cannot be silently inserted into MAT01–19 or become an unnoticed requirement for the main campaign.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M61",
      "name": "Shielded fission power plant",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "A large optional installation links a contained core, heat transfer, power generation, service access, and managed spent-material storage. Its attraction is sustained industrial output and the achievement of a complete working site.",
      "gate_cost_tradeoff": "Advanced backlog. The entire fuel and spent-material path must be playable before commissioning. Automatic controlled shutdown, stable parking, readable local consequences, and a recoverable cleanup project govern the default experience.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M62",
      "name": "Fusion research plant",
      "existing_catalogue_refs": [
        "TEC07"
      ],
      "input_output_interaction": "A later optional high-duty project combines fuel preparation, startup energy, a recognizable central apparatus, thermal service, and substantial distribution. It supports demanding science or a player-built industrial ambition.",
      "gate_cost_tradeoff": "Advanced backlog. Inputs and startup costs remain explicit, and the complete preparation chain is balanced together. It is not required to launch Tier 1, visit the Moon, or keep an ordinary habitat alive.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M63",
      "name": "Precision field apparatus",
      "existing_catalogue_refs": [
        "TEC08"
      ],
      "input_output_interaction": "A large fictional processing installation prepares a narrowly defined advanced field component or transit consumable. Coil-like frames, service chambers, and visible material custody give the operation a physical identity.",
      "gate_cost_tradeoff": "Advanced backlog. This fills the intended high-energy material-processing role. It cannot manufacture arbitrary ore, produce net free power, or turn one extraordinary substance into an answer to every game system.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M64",
      "name": "Navigation and transit assembly",
      "existing_catalogue_refs": [
        "TEC09",
        "TEC13"
      ],
      "input_output_interaction": "Mature instruments, previously reachable components, and calibrated route evidence support the bounded Interstellar capability. The player can inspect the observation, assembly, and service relationships.",
      "gate_cost_tradeoff": "Beyond Sol. Pluto evidence and pre-Afterlight materials support the first voyage. Cairn and Morrow products improve later investigation. The assembly follows defined routes and preserves an independent return plan.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M65",
      "name": "Advanced route terminal",
      "existing_catalogue_refs": [
        "TEC11",
        "TEC14"
      ],
      "input_output_interaction": "A late terminal coordinates approved travel or cargo conveniences between already surveyed, secured, and appropriately serviced destinations. It shows what service actually exists at each end.",
      "gate_cost_tradeoff": "Advanced backlog. It does not discover a destination, create its shelter, bypass first-landing preparation, or move arbitrary structures. Any instantaneous-transfer variant requires its own bounded design decision and preserves meaningful craft roles.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    },
    {
      "id": "IND-M66",
      "name": "Modular powered equipment dock",
      "existing_catalogue_refs": [
        "TEC12",
        "TEC13"
      ],
      "input_output_interaction": "A service station prepares compatible movement, work, sensing, shielding, or environmental modules for the existing equipment families. Worn devices keep recognizable attachment points and service needs.",
      "gate_cost_tradeoff": "Frontier and advanced. Limited meaningful module choices trade charge, space, handling, and protection. A universal suit does not erase every terrain problem. Powered digging remains controlled, and flight requires a supported local context.",
      "artwork_handling": "Map to confirmed Tier 1 reference when applicable; otherwise detailed artwork backlog."
    }
  ],
  "tier1_rules": [
    "Early common-material engineering branch",
    "Part Fabrication Table and Rocket Assembly Station retain confirmed names and appearance",
    "No Core completion, Heartglass, titanium, advanced chemistry, lunar material, or reactor requirement",
    "All essential first-arrival, life-support, and return supplies manufactured on Earth before departure",
    "Default first complete lunar mission carries a working airlocked cabin plus an Earth-made EQ25 starter shelter kit",
    "Commission the starter refuge before the first committed descent; larger permanent outpost development is optional",
    "Optional short orbital rehearsal uses its own supported manifest and does not require a lunar shelter kit",
    "IND-M40 is T1-M05 Oxygen Generator and IND-M45 is T1-M03 Fuel Refinery, not additional starter machines"
  ],
  "sources": [
    {
      "name": "Immersive Engineering author project description",
      "url": "https://www.curseforge.com/minecraft/mc-mods/immersive-engineering"
    },
    {
      "name": "Mekanism official Ore Processing",
      "url": "https://wiki.aidancbrady.com/wiki/Ore_Processing"
    },
    {
      "name": "Mekanism official Machine Configuration",
      "url": "https://wiki.aidancbrady.com/wiki/Machine_Configuration"
    },
    {
      "name": "Mekanism official Fission Reactor",
      "url": "https://wiki.aidancbrady.com/wiki/Fission_Reactor"
    }
  ]
}