Metal processing plant operators
An AI agent can at least partly carry out 9.8% of the task time of metal processing plant operators, and finish 0.0% alone. The barrier that holds most of the rest back is access to the systems the work runs on.
363rd of 433 · interval 4.0–16.0
201st of 433 · interval 0.0–0.0
372nd of 433 · interval 10.5–17.5
task statements rated by two models and weighted by importance and frequency. World employment: 0.7 million.
How the tasks rate
What stops the agent
Share of task weight flagged by each barrier; a task can carry several.
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Read temperature gauges and observe color changes, adjusting furnace flames, torches, or electrical heating units as necessary to melt metal to specifications.Pourers and Casters, Metal | 2.8% | L0 | L0L1 | 8% | 52 min | Physical presence, Access to systems |
| Pour and regulate the flow of molten metal into molds and forms to produce ingots or other castings, using ladles or hand-controlled mechanisms.Pourers and Casters, Metal | 2.8% | L0 | L0L0 | 4% | 30 min | Physical presence, Accountability |
| Collect samples, or signal workers to sample metal for analysis.Pourers and Casters, Metal | 2.6% | L0 | L0L0 | 5% | 15 min | Physical presence, Access to systems |
| Examine molds to ensure they are clean, smooth, and properly coated.Pourers and Casters, Metal | 2.6% | L0 | L0L0 | 4% | 10 min | Physical presence, Access to systems |
| Load specified amounts of metal and flux into furnaces or clay crucibles.Pourers and Casters, Metal | 2.5% | L0 | L0L0 | 4% | 30 min | Physical presence, Access to systems |
| Pull levers to lift ladle stoppers and to allow molten steel to flow into ingot molds to specified heights.Pourers and Casters, Metal · supplemental task | 2.5% | L0 | L0L0 | 2% | 26 min | Physical presence, Accountability, Access to systems |
| Position equipment such as ladles, grinding wheels, pouring nozzles, or crucibles, or signal other workers to position equipment.Pourers and Casters, Metal | 2.5% | L0 | L0L0 | 4% | 8 min | Physical presence, Trust and care, Access to systems |
| Skim slag or remove excess metal from ingots or equipment, using hand tools, strainers, rakes, or burners, collecting scrap for recycling.Pourers and Casters, Metal | 2.4% | L0 | L0L0 | 2% | 25 min | Physical presence, Access to systems |
| Turn valves to circulate water through cores, or spray water on filled molds to cool and solidify metal.Pourers and Casters, Metal · supplemental task | 2.4% | L0 | L0L0 | 4% | 18 min | Physical presence, Access to systems |
| Remove solidified steel or slag from pouring nozzles, using long bars or oxygen burners.Pourers and Casters, Metal | 2.4% | L0 | L0L1 | 5% | 22 min | Physical presence, Accountability, Access to systems |
| Assemble and embed cores in casting frames, using hand tools and equipment.Pourers and Casters, Metal · supplemental task | 2.4% | L0 | L0L1 | 5% | 20 min | Physical presence |
| Remove metal ingots or cores from molds, using hand tools, cranes, and chain hoists.Pourers and Casters, Metal · supplemental task | 2.1% | L0 | L0L0 | 2% | 16 min | Physical presence, Accountability, Access to systems |
| Add metal to molds to compensate for shrinkage.Pourers and Casters, Metal · supplemental task | 1.9% | L0 | L0L1 | 6% | 12 min | Physical presence, Access to systems |
| Repair and maintain metal forms and equipment, using hand tools, sledges, and bars.Pourers and Casters, Metal · supplemental task | 1.9% | L0 | L0L0 | 5% | 1.5 h | Physical presence, Access to systems |
| Stencil identifying information on ingots and pigs, using special hand tools.Pourers and Casters, Metal · supplemental task | 1.9% | L0 | L0L0 | 4% | 3 min | Physical presence |
Show the other 74 tasks
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Transport metal ingots to storage areas, using forklifts.Pourers and Casters, Metal | 1.7% | L0 | L0L0 | 4% | 22 min | Physical presence, Accountability, Access to systems |
| Record production data, and maintain production logs.Metal-Refining Furnace Operators and Tenders | 1.5% | L2 | L2L2 | 62% | 20 min | Physical presence, Accountability, Access to systems |
| Regulate supplies of fuel and air, or control flow of electric current and water coolant to heat furnaces and adjust temperatures.Metal-Refining Furnace Operators and Tenders | 1.4% | L1 | L1L2 | 28% | 30 min | Physical presence, Access to systems |
| Observe air and temperature gauges or metal color and fluidity, and turn fuel valves or adjust controls to maintain required temperatures.Metal-Refining Furnace Operators and Tenders | 1.4% | L1 | L1L1 | 20% | 25 min | Physical presence, Accountability, Access to systems |
| Draw smelted metal samples from furnaces or kettles for analysis, and calculate types and amounts of materials needed to ensure that materials meet specifications.Metal-Refining Furnace Operators and Tenders | 1.4% | L2 | L2L2 | 38% | 38 min | Physical presence, Access to systems |
| Weigh materials to be charged into furnaces, using scales.Metal-Refining Furnace Operators and Tenders | 1.4% | L0 | L1L0 | 8% | 18 min | Physical presence, Access to systems |
| Operate controls to move or discharge metal workpieces from furnaces.Metal-Refining Furnace Operators and Tenders | 1.3% | L1 | L1L1 | 10% | 15 min | Physical presence, Accountability, Access to systems |
| Drain, transfer, or remove molten metal from furnaces, and place it into molds, using hoists, pumps, or ladles.Metal-Refining Furnace Operators and Tenders | 1.3% | L0 | L0L1 | 8% | 45 min | Physical presence, Accountability, Access to systems |
| Prepare material to load into furnaces, including cleaning, crushing, or applying chemicals, by using crushing machines, shovels, rakes, or sprayers.Metal-Refining Furnace Operators and Tenders · supplemental task | 1.3% | L0 | L0L0 | 4% | 52 min | Physical presence, Accountability, Access to systems |
| Kindle fires, and shovel fuel and other materials into furnaces or onto conveyors by hand, with hoists, or by directing crane operators.Metal-Refining Furnace Operators and Tenders | 1.3% | L0 | L0L0 | 3% | 40 min | Physical presence, Accountability, Access to systems |
| Inspect furnaces and equipment to locate defects and wear.Metal-Refining Furnace Operators and Tenders | 1.2% | L1 | L1L1 | 18% | 45 min | Physical presence, Accountability, Access to systems |
| Observe operations inside furnaces, using television screens, to ensure that problems do not occur.Metal-Refining Furnace Operators and Tenders · supplemental task | 1.2% | L2 | L2L2 | 58% | 4.2 h | Physical presence, Accountability, Access to systems |
| Remove impurities from the surface of molten metal, using strainers.Metal-Refining Furnace Operators and Tenders · supplemental task | 1.2% | L0 | L0L0 | 2% | 12 min | Physical presence, Accountability, Access to systems |
| Measure and examine extruded products to locate defects and to check for conformance to specifications, adjusting controls as necessary to alter products.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 1.1% | L1 | L1L2 | 20% | 18 min | Physical presence, Access to systems |
| Read production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 1.1% | L2 | L2L2 | 65% | 30 min | Access to systems |
| Sprinkle chemicals over molten metal to bring impurities to the surface.Metal-Refining Furnace Operators and Tenders · supplemental task | 1.1% | L0 | L0L0 | 4% | 15 min | Physical presence, Accountability, Access to systems |
| Adjust controls to maintain temperatures and heating times, using thermal instruments and charts, dials and gauges of furnaces, and color of stock in furnaces to make setting determinations.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 1.0% | L1 | L1L1 | 25% | 30 min | Physical presence, Access to systems |
| Record times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 1.0% | L1 | L1L2 | 28% | 4 min | Physical presence, Accountability, Access to systems |
| Load parts into containers and place containers on conveyors to be inserted into furnaces, or insert parts into furnaces.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 1.0% | L0 | L0L0 | 4% | 25 min | Physical presence, Access to systems |
| Examine parts to ensure metal shades and colors conform to specifications, using knowledge of metal heat-treating.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 1.0% | L1 | L1L1 | 20% | 8 min | Physical presence, Access to systems |
| Start machines and set controls to regulate vacuum, air pressure, sizing rings, and temperature, and to synchronize speed of extrusion.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 1.0% | L0 | L0L1 | 12% | 30 min | Physical presence, Access to systems |
| Scrape accumulations of metal oxides from floors, molds, and crucibles, and sift and store them for reclamation.Metal-Refining Furnace Operators and Tenders · supplemental task | 1.0% | L0 | L0L0 | 4% | 52 min | Physical presence, Access to systems |
| Set up and operate or tend machines, such as furnaces, baths, flame-hardening machines, and electronic induction machines, that harden, anneal, and heat-treat metal.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 0.9% | L1 | L1L2 | 20% | 2.4 h | Physical presence, Accountability, Access to systems |
| Determine types and temperatures of baths and quenching media needed to attain specified part hardness, toughness, and ductility, using heat-treating charts and knowledge of methods, equipment, and metals.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.9% | L2 | L2L2 | 65% | 25 min | Accountability, Access to systems |
| Start conveyors and open furnace doors to load stock, or signal crane operators to uncover soaking pits and lower ingots into them.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 0.9% | L0 | L0L0 | 6% | 15 min | Physical presence, Accountability, Trust and care, Access to systems |
| Reel extruded products into rolls of specified lengths and weights.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 0.9% | L0 | L0L0 | 6% | 22 min | Physical presence, Access to systems |
| Remove parts from furnaces after specified times, and air dry or cool parts in water, oil brine, or other baths.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 0.9% | L0 | L0L1 | 6% | 12 min | Physical presence, Access to systems |
| Clean work areas.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 0.9% | L0 | L0L0 | 4% | 25 min | Physical presence, Access to systems |
| Determine flame temperatures, current frequencies, heating cycles, and induction heating coils needed, based on degree of hardness required and properties of stock to be treated.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.9% | L2 | L2L2 | 60% | 1.0 h | Accountability, Access to systems |
| Direct work crews in the cleaning and repair of furnace walls and flooring.Metal-Refining Furnace Operators and Tenders · supplemental task | 0.9% | L0 | L0L2 | 16% | 2.0 h | Physical presence, Accountability, Trust and care, Access to systems |
| Signal forklift operators to deposit or extract containers of parts into and from furnaces and quenching rinse tanks.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L0 | L0L0 | 3% | 3 min | Physical presence, Accountability, Trust and care, Access to systems |
| Test physical properties of products with testing devices such as acid-bath testers, burst testers, and impact testers.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L1 | L1L1 | 14% | 22 min | Physical presence, Accountability, Access to systems |
| Test parts for hardness, using hardness testing equipment, or by examining and feeling samples.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L1 | L1L1 | 12% | 10 min | Physical presence, Access to systems |
| Determine setup procedures and select machine dies and parts, according to specifications.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L1 | L1L2 | 42% | 45 min | Physical presence, Access to systems |
| Monitor machine cycles and mill operation to detect jamming and to ensure that products conform to specifications.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L1 | L1L1 | 25% | 4.1 h | Physical presence, Access to systems |
| Reduce heat when processing is complete to allow parts to cool in furnaces or machinery.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L1 | L1L1 | 18% | 10 min | Physical presence, Access to systems |
| Set and adjust speeds of reels and conveyors for prescribed time cycles to pass parts through continuous furnaces.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L1 | L1L1 | 20% | 15 min | Physical presence, Access to systems |
| Position stock in furnaces, using tongs, chain hoists, or pry bars.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L0 | L0L0 | 2% | 12 min | Physical presence, Access to systems |
| Adjust and correct machine set-ups to reduce thicknesses, reshape products, and eliminate product defects.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L1 | L1L2 | 24% | 35 min | Physical presence, Access to systems |
| Heat billets, bars, plates, rods, and other stock to specified temperatures preparatory to forging, rolling, or processing, using oil, gas, or electrical furnaces.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L1 | L1L1 | 12% | 52 min | Physical presence, Access to systems |
| Load machine hoppers with mixed materials, using augers, or stuff rolls of plastic dough into machine cylinders.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L0 | L0L0 | 4% | 18 min | Physical presence, Access to systems |
| Start operation of rolling and milling machines to flatten, temper, form, and reduce sheet metal sections and to produce steel strips.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L1 | L1L1 | 10% | 20 min | Physical presence, Accountability, Access to systems |
| Examine, inspect, and measure raw materials and finished products to verify conformance to specifications.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L1 | L1L1 | 18% | 18 min | Physical presence, Accountability, Access to systems |
| Install dies, machine screws, and sizing rings on machines that extrude thermoplastic or metal materials.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L0 | L0L1 | 6% | 1.5 h | Physical presence, Accountability, Access to systems |
| Change dies on extruding machines, according to production line changes.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L0 | L0L1 | 8% | 1.5 h | Physical presence, Access to systems |
| Maintain an inventory of materials.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L2 | L2L2 | 50% | 38 min | Physical presence, Access to systems |
| Move controls to light gas burners and to adjust gas and water flow and flame temperature.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L0 | L0L1 | 12% | 12 min | Physical presence, Access to systems |
| Adjust controls to draw or press metal into specified shapes and diameters.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.8% | L1 | L1L1 | 20% | 25 min | Physical presence, Access to systems |
| Read rolling orders, blueprints, and mill schedules to determine setup specifications, work sequences, product dimensions, and installation procedures.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.8% | L2 | L2L2 | 62% | 22 min | Accountability, Access to systems |
| Thread or feed sheets or rods through rolling mechanisms, or start and control mechanisms that automatically feed steel into rollers.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.7% | L0 | L0L1 | 6% | 20 min | Physical presence, Accountability, Access to systems |
| Mount workpieces in fixtures, on arbors, or between centers of machines.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.7% | L0 | L0L0 | 2% | 8 min | Physical presence, Access to systems |
| Manipulate controls and observe dial indicators to monitor, adjust, and regulate speeds of machine mechanisms.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.7% | L0 | L1L0 | 10% | 22 min | Physical presence, Access to systems |
| Mount fixtures and industrial coils on machines, using hand tools.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.7% | L0 | L0L0 | 4% | 38 min | Physical presence, Access to systems |
| Troubleshoot, maintain, and make minor repairs to equipment.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic | 0.7% | L1 | L1L2 | 25% | 1.0 h | Physical presence, Access to systems |
| Calculate draft space and roll speed for each mill stand to plan rolling sequences and specified dimensions and tempers.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.7% | L2 | L2L2 | 60% | 52 min | Accountability, Access to systems |
| Weigh and mix pelletized, granular, or powdered thermoplastic materials and coloring pigments.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.7% | L0 | L0L2 | 19% | 25 min | Physical presence, Access to systems |
| Set distance points between rolls, guides, meters, and stops, according to specifications.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.7% | L0 | L0L1 | 15% | 25 min | Physical presence, Access to systems |
| Position, align, and secure arbors, spindles, coils, mandrels, dies, and slitting knives.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.7% | L0 | L0L0 | 4% | 30 min | Physical presence, Access to systems |
| Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.6% | L1 | L1L2 | 32% | 25 min | Physical presence, Access to systems |
| Activate shears and grinders to trim workpieces.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.6% | L0 | L0L0 | 3% | 20 min | Physical presence, Accountability, Access to systems |
| Record mill production on schedule sheets.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.6% | L2 | L2L2 | 50% | 12 min | Physical presence, Access to systems |
| Install equipment such as guides, guards, gears, cooling equipment, and rolls, using hand tools.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.6% | L0 | L0L1 | 4% | 1.3 h | Physical presence, Accountability, Access to systems |
| Select nozzles, spacers, and wire guides, according to diameters and lengths of rods.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.6% | L1 | L1L2 | 32% | 10 min | Physical presence, Access to systems |
| Signal and assist other workers to remove and position equipment, fill hoppers, and feed materials into machines.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.6% | L0 | L0L0 | 4% | 18 min | Physical presence, Trust and care, Access to systems |
| Fill oil cups, adjust valves, and observe gauges to control flow of metal coolants and lubricants onto workpieces.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.6% | L0 | L0L0 | 4% | 12 min | Physical presence, Access to systems |
| Replace worn dies when products vary from specifications.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.6% | L0 | L0L1 | 12% | 1.1 h | Physical presence, Access to systems |
| Clean oxides and scales from parts or fittings, using steam sprays or chemical and water baths.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.5% | L0 | L0L0 | 4% | 25 min | Physical presence |
| Operate shearing mechanisms to cut rods to specified lengths.Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.5% | L0 | L0L0 | 4% | 10 min | Physical presence, Access to systems |
| Disassemble sizing mills removed from rolling lines, and sort and store parts.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.5% | L0 | L0L0 | 4% | 2.8 h | Physical presence, Accountability, Access to systems |
| Repair, replace, and maintain furnace equipment as needed, using hand tools.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.5% | L0 | L0L1 | 10% | 1.5 h | Physical presence, Accountability, Access to systems |
| Direct and train other workers to change rolls, operate mill equipment, remove coils and cobbles, and band and load material.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic | 0.5% | L1 | L1L1 | 14% | 1.3 h | Physical presence, Trust and care, Access to systems |
| Remove scratches and polish roll surfaces, using polishing stones and electric buffers.Rolling Machine Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.4% | L0 | L0L0 | 2% | 52 min | Physical presence, Access to systems |
| Stamp heat-treatment identification marks on parts, using hammers and punches.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic · supplemental task | 0.4% | L0 | L0L0 | 3% | 4 min | Physical presence |
| Instruct new workers in machine operation.Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic | 0.4% | L1 | L1L2 | 28% | 3.0 h | Physical presence, Accountability, Trust and care, Access to systems |
Level: consensus of the two models (the lower level when they disagree). Share: part of the task’s working time an agent could take over. Human time: minutes a competent person needs for one instance, as estimated by the models.
Exposure is not delegation
| Measure | Value | Percentile |
|---|---|---|
| ADI (this index) | 9.8% | 16 |
| Eloundou et al. (2024), GPT exposure β | 0.084 | 15 |
| Felten et al. (2021), AI occupational exposure | -1.093 | 16 |
| Webb (2020), AI patent exposure | 54.938 | 47 |
| Eisfeldt et al. (2026), generative AI exposure | 0.024 | 17 |
| Anthropic Economic Index, observed use | 0 | 16 |
Earlier indices measure whether AI can touch a task; ADI measures how much of it an agent can carry out from a goal. – : the source does not cover this occupation.
Neighbouring occupations
Dashed line: metal processing plant operators (9.8%).
Espinal Maya, Cristian, and Santiago Jiménez Londoño. 2026. ADI v2026.1: Agent Delegability Index data, code and MCP server. Zenodo. https://doi.org/10.5281/zenodo.23552918. Record: Metal processing plant operators (ISCO-08 8121), https://balamlabs.org/adi/occupations/8121
@misc{espinal2026adidata,
title = {{ADI} v2026.1: Agent Delegability Index data, code and {MCP} server},
author = {Espinal Maya, Cristian and Jim{\'e}nez Londo{\~n}o, Santiago},
year = {2026},
publisher = {Zenodo},
version = {v2026.1},
doi = {10.5281/zenodo.23552918},
url = {https://doi.org/10.5281/zenodo.23552918},
note = {Record: Metal processing plant operators (ISCO-08 8121)}
}The same record as static JSON, with its citation: /adi/v2026.1/isco/8121.json.