ISCO-08 7224
Metal polishers, wheel grinders and tool sharpeners
4.1%
ADI · 406th of 433 · 95% interval 0.0–12.7
An AI agent can at least partly carry out 4.1% of the task time of metal polishers, wheel grinders and tool sharpeners, and finish 0.0% alone. Most of the rest requires physical presence.
ADI · partial or full4.1%
406th of 433 · interval 0.0–12.7
ADI3 · full delegation0.0%
201st of 433 · interval 0.0–0.0
ADIs · share of time10.8%
399th of 433 · interval 6.5–16.2
Evidence35
task statements rated by two models and weighted by importance and frequency. World employment: 0.1 million.
Task weight by level
How the tasks rate
L0No meaningful role · 80.8%L1Augmentation · 15.1%L2Partial delegation · 4.1%L3Full delegation · 0.0%
Barriers
What stops the agent
Share of task weight flagged by each barrier; a task can carry several.
35 task statements, heaviest first
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Inspect, feel, and measure workpieces to ensure that surfaces and dimensions meet specifications.Tool Grinders, Filers, and Sharpeners | 4.8% | L0 | L0L0 | 6% | 12 min | Physical presence, Access to systems |
| Monitor machine operations to determine whether adjustments are necessary, stopping machines when problems occur.Tool Grinders, Filers, and Sharpeners | 4.6% | L1 | L1L1 | 20% | 4.1 h | Physical presence, Accountability, Access to systems |
| Compute numbers, widths, and angles of cutting tools, micrometers, scales, and gauges, and adjust tools to produce specified cuts.Tool Grinders, Filers, and Sharpeners | 4.5% | L1 | L1L2 | 28% | 30 min | Physical presence |
| Set up and operate grinding or polishing machines to grind metal workpieces, such as dies, parts, and tools.Tool Grinders, Filers, and Sharpeners | 4.2% | L0 | L0L1 | 10% | 52 min | Physical presence |
| Turn valves to direct flow of coolant against cutting wheels and workpieces during grinding.Tool Grinders, Filers, and Sharpeners | 4.2% | L0 | L0L0 | 2% | 2 min | Physical presence |
| Study blueprints or layouts of metal workpieces to determine grinding procedures, and to plan machine setups and operational sequences.Tool Grinders, Filers, and Sharpeners | 4.1% | L2 | L2L2 | 58% | 45 min | Access to systems |
| File or finish surfaces of workpieces, using prescribed hand tools.Tool Grinders, Filers, and Sharpeners | 4.0% | L0 | L0L0 | 4% | 30 min | Physical presence |
| Dress grinding wheels, according to specifications.Tool Grinders, Filers, and Sharpeners | 3.9% | L0 | L0L0 | 4% | 18 min | Physical presence, Access to systems |
| Remove finished workpieces from machines and place them in boxes or on racks, setting aside pieces that are defective.Tool Grinders, Filers, and Sharpeners | 3.8% | L0 | L0L0 | 4% | 5 min | Physical presence, Access to systems |
| Select and mount grinding wheels on machines, according to specifications, using hand tools and applying knowledge of abrasives and grinding procedures.Tool Grinders, Filers, and Sharpeners | 3.8% | L0 | L0L1 | 10% | 20 min | Physical presence, Access to systems |
| Attach workpieces to grinding machines and form specified sections and repair cracks, using welding or brazing equipment.Tool Grinders, Filers, and Sharpeners · supplemental task | 3.5% | L0 | L0L1 | 6% | 1.1 h | Physical presence, Accountability, Access to systems |
| Inspect dies to detect defects, assess wear, and verify specifications, using micrometers, steel gauge pins, and loupes.Tool Grinders, Filers, and Sharpeners · supplemental task | 3.5% | L0 | L0L1 | 10% | 25 min | Physical presence, Access to systems |
| Fit parts together in pre-assembly to ensure that dimensions are accurate.Tool Grinders, Filers, and Sharpeners · supplemental task | 3.5% | L0 | L0L0 | 4% | 30 min | Physical presence |
| Perform basic maintenance, such as cleaning and lubricating machine parts.Tool Grinders, Filers, and Sharpeners | 3.4% | L0 | L0L0 | 4% | 20 min | Physical presence, Access to systems |
| Duplicate workpiece contours, using tracer attachments.Tool Grinders, Filers, and Sharpeners · supplemental task | 3.2% | L0 | L0L0 | 4% | 45 min | Physical presence, Access to systems |
Show the other 20 tasks
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Remove and replace worn or broken machine parts, using hand tools.Tool Grinders, Filers, and Sharpeners | 2.8% | L0 | L0L0 | 4% | 45 min | Physical presence |
| Place workpieces in electroplating solutions or apply pigments to surfaces of workpieces to highlight ridges and grooves.Tool Grinders, Filers, and Sharpeners · supplemental task | 2.7% | L0 | L0L0 | 2% | 20 min | Physical presence |
| Verify quality of finished workpieces by inspecting them, comparing them to templates, measuring their dimensions, or testing them in working machinery.Grinding and Polishing Workers, Hand | 2.6% | L0 | L0L1 | 8% | 12 min | Physical presence, Access to systems |
| Grind, sand, clean, or polish objects or parts to correct defects or to prepare surfaces for further finishing, using hand tools and power tools.Grinding and Polishing Workers, Hand | 2.6% | L0 | L0L0 | 4% | 38 min | Physical presence |
| Trim, scrape, or deburr objects or parts, using chisels, scrapers, and other hand tools and equipment.Grinding and Polishing Workers, Hand | 2.5% | L0 | L0L0 | 2% | 25 min | Physical presence |
| Measure and mark equipment, objects, or parts to ensure grinding and polishing standards are met.Grinding and Polishing Workers, Hand | 2.4% | L0 | L0L1 | 10% | 18 min | Physical presence |
| Straighten workpieces and remove dents, using straightening presses and hammers.Tool Grinders, Filers, and Sharpeners · supplemental task | 2.3% | L0 | L0L0 | 4% | 25 min | Physical presence |
| Mark defects, such as knotholes, cracks, and splits, for repair.Grinding and Polishing Workers, Hand | 2.3% | L0 | L0L1 | 9% | 8 min | Physical presence, Access to systems |
| Remove completed workpieces from equipment or work tables, using hand tools, and place workpieces in containers.Grinding and Polishing Workers, Hand · supplemental task | 2.3% | L0 | L0L0 | 1% | 2 min | Physical presence |
| Move controls to adjust, start, or stop equipment during grinding and polishing processes.Grinding and Polishing Workers, Hand | 2.2% | L0 | L0L0 | 2% | 4 min | Physical presence, Access to systems |
| Study blueprints or layouts to determine how to lay out workpieces or saw out templates.Grinding and Polishing Workers, Hand | 2.1% | L1 | L1L2 | 40% | 22 min | Physical presence, Access to systems |
| Load and adjust workpieces onto equipment or work tables, using hand tools.Grinding and Polishing Workers, Hand | 2.1% | L0 | L0L0 | 2% | 6 min | Physical presence |
| Select files or other abrasives, according to materials, sizes and shapes of workpieces, amount of stock to be removed, finishes specified, and steps in finishing processes.Grinding and Polishing Workers, Hand | 2.0% | L1 | L1L2 | 32% | 8 min | Physical presence, Access to systems |
| Repair and maintain equipment, objects, or parts, using hand tools.Grinding and Polishing Workers, Hand | 1.9% | L0 | L0L1 | 6% | 52 min | Physical presence |
| Record product and processing data on specified forms.Grinding and Polishing Workers, Hand · supplemental task | 1.9% | L1 | L1L2 | 38% | 12 min | Physical presence, Access to systems |
| Apply solutions and chemicals to equipment, objects, or parts, using hand tools.Grinding and Polishing Workers, Hand · supplemental task | 1.8% | L0 | L0L0 | 4% | 15 min | Physical presence |
| File grooved, contoured, and irregular surfaces of metal objects, such as metalworking dies and machine parts, to conform to templates, other parts, layouts, or blueprint specifications.Grinding and Polishing Workers, Hand | 1.7% | L0 | L0L0 | 4% | 2.3 h | Physical presence |
| Transfer equipment, objects, or parts to specified work areas, using moving devices.Grinding and Polishing Workers, Hand | 1.4% | L0 | L0L0 | 4% | 12 min | Physical presence, Access to systems |
| Sharpen abrasive grinding tools, using machines and hand tools.Grinding and Polishing Workers, Hand | 1.4% | L0 | L0L0 | 4% | 20 min | Physical presence, Access to systems |
| Clean brass particles from files by drawing file cards through file grooves.Grinding and Polishing Workers, Hand · supplemental task | 0.2% | L0 | L0L0 | 0% | 4 min | Physical presence |
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.
Against other measures
Exposure is not delegation
| Measure | Value | Percentile |
|---|---|---|
| ADI (this index) | 4.1% | 6 |
| Eloundou et al. (2024), GPT exposure β | 0.039 | 6 |
| Felten et al. (2021), AI occupational exposure | -0.969 | 23 |
| Webb (2020), AI patent exposure | 71.667 | 66 |
| Eisfeldt et al. (2026), generative AI exposure | 0 | 4 |
| 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.
Same sub-major group (72)
Neighbouring occupations
| Occupation | ADI | % |
|---|---|---|
| Toolmakers and related workers 7222 | 29.6 | |
| Bicycle and related repairers 7234 | 28.2 | |
| Aircraft engine mechanics and repairers 7232 | 21.4 | |
| Metal working machine tool setters and operators 7223 | 17.4 | |
| Sheet-metal workers 7213 | 14.8 | |
| Agricultural and industrial machinery mechanics and repairers 7233 | 14.7 | |
| Structural-metal preparers and erectors 7214 | 10.5 | |
| Welders and flamecutters 7212 | 9.9 | |
| Blacksmiths, hammersmiths and forging press workers 7221 | 9.1 | |
| Riggers and cable splicers 7215 | 7.9 | |
| Motor vehicle mechanics and repairers 7231 | 7.1 | |
| Metal moulders and coremakers 7211 | 2.3 |
Dashed line: metal polishers, wheel grinders and tool sharpeners (4.1%).
Cite this record
Text
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 polishers, wheel grinders and tool sharpeners (ISCO-08 7224), https://balamlabs.org/adi/occupations/7224
BibTeX
@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 polishers, wheel grinders and tool sharpeners (ISCO-08 7224)}
}Machine-readable
The same record as static JSON, with its citation: /adi/v2026.1/isco/7224.json.