{ "source": "Cooked Index — occupational AI risk register", "page": "https://cookedindex.com/jobs/grinding-and-polishing-workers-hand/", "methodology": "https://cookedindex.com/methodology", "notice": "Verdicts are re-examined as evidence accumulates. Re-fetch before relying on this; the page above always carries the current score.", "scored_at": "2026-08-11", "model": "claude-opus-5", "occupation": { "title": "Grinding and Polishing Workers, Hand", "soc_code": "51-9022", "category": "Production", "us_employment": 10510, "median_annual_wage": 42660 }, "verdict": "EXPOSED", "risk_resistance": 39, "contested": false, "near_boundary": false, "dimensions": { "task_resistance": 15, "embodiment": 15, "liability_shield": 1, "trust_premium": 3, "judgment_accountability": 5 }, "reasoning": { "task_resistance": "Deburring a weld bead on a one-off fabrication, feathering a cosmetic scratch out of a stainless handrail, or blending a casting flash on a part with no fixture — these are contact-force decisions made through the tool, and the 15 reflects that only the setup paperwork and inspection logging around them is digitisable, not the grinding itself.", "embodiment": "You work standing at a pedestal buffer or with a die grinder in awkward positions, in noise, abrasive dust, and sparks, on parts that arrive at varying orientations — the 15 rather than 19 is because it's usually a fixed bench or shop floor rather than scaffolding, confined spaces, or weather.", "liability_shield": "No state license, no certification body governs hand finishing; a shop can put you on the wheel after an OSHA 1910.215 wheel-guarding and ring-test briefing, and rework or scrap comes out of the shop's cost, not your credential.", "trust_premium": "Parts move to you by work order and leave to inspection; a customer buying a polished casting knows the shop's name, not yours, and the 3 rather than 0 only allows for the foreman who trusts one specific person with the expensive cosmetic-critical jobs.", "judgment_accountability": "You call grit progression and when to stop against a print tolerance, Ra spec, or a visual boundary sample, and if you're near the low limit you flag it — the discretion is real but bounded by a spec somebody else wrote and QC verifies." }, "rationale": "Almost nothing in this job is screen or text work — you hold a die grinder, buffing wheel, or file against a real part and feel when the surface is right, which language models cannot touch. The threat is not AI but capital equipment: CNC machining, robotic sanding cells, and vibratory/media finishing already absorb high-volume, repeatable deburring and polishing work, leaving hand work concentrated in low-volume, irregular, weld-repair, and cosmetic-critical parts. No license, no client relationship, and little decision authority means there is no regulatory or trust moat — only the physical difficulty of automating variable geometry.", "outlook": "Employment keeps shrinking as finishing cells and CNC absorb repeatable work, but a smaller core of hand finishers on irregular, repair, and cosmetic-critical parts stays in demand and gets paid better.", "what_would_raise_it": { "levers": [ { "dimension": "task_resistance", "change": "As robotic sanding cells and vibratory finishing absorb the repeatable high-volume work, the residual hand job concentrates on one-off weld-repair blending, castings with variable geometry, and cosmetic-critical Class A surfaces where fixturing cost exceeds the part value. This is a genuine two-tier occupation and the surviving tier is the harder one.", "plausibility": "already happening", "would_add": 3 }, { "dimension": "embodiment", "change": "Growth in aerospace/turbine MRO and defense shipyard repair work, where the part is in situ, geometry is deviated from nominal, and access is confined — Navy submarine and carrier maintenance backlogs are already pulling this kind of hand finishing in. Robotic cells cannot be brought to the workpiece.", "plausibility": "plausible", "would_add": 2 }, { "dimension": "liability_shield", "change": "Named-operator sign-off in aerospace finishing: FAA Part 145 repair station process specs and OEM process specifications (e.g. blend-limit and blade-repair procedures on turbine airfoils) requiring a qualified, individually certified operator stamp on hand-blend operations, with NADCAP audit of that qualification record. This attaches a traceable human name to the work but not personal legal liability in the professional-license sense.", "plausibility": "plausible", "would_add": 3 }, { "dimension": "judgment_accountability", "change": "When hand work is the last station before scrap/accept on high-value parts, the polisher owns the call on whether a blend stays within remaining-wall or blend-limit tolerance — a several-thousand-dollar decision made by feel. Formalizing that as an operator accept/reject authority in the work instruction, rather than routing to an inspector, raises this.", "plausibility": "plausible", "would_add": 3 }, { "dimension": "trust_premium", "change": "Narrow route only: luxury and restoration niches — hand-polished watch cases, high-end firearms, custom auto and motorcycle bodywork, museum metals conservation — where buyers pay explicitly for hand finish. This applies to a very small slice of the 10,510 and is not a moat for production shops.", "plausibility": "plausible", "would_add": 2 } ], "ceiling_note": "Even with every lever, this occupation stays capital-displaced rather than AI-displaced. The binding constraint is the cost curve of robotic finishing cells and force-controlled end effectors, which no licensing or trust mechanism touches. There is no realistic path to a professional license for hand grinding, so liability_shield cannot rise above a documented-operator-stamp regime. Headcount decline can continue even while per-worker resistance scores rise." }, "adjudication": null, "employment_history": { "points": [ { "y": 2017, "emp": 30320, "wage": 28830 }, { "y": 2018, "emp": 30280, "wage": 29550 }, { "y": 2019, "emp": 29170, "wage": 30600 }, { "y": 2020, "emp": 24050, "wage": 31750 }, { "y": 2021, "emp": 15680, "wage": 35670 }, { "y": 2022, "emp": 14190, "wage": 36960 }, { "y": 2023, "emp": 12290, "wage": 38940 }, { "y": 2024, "emp": 11850, "wage": 41690 }, { "y": 2025, "emp": 10510, "wage": 42660 } ], "from": 2017, "to": 2025, "change_pct": -65.3, "comparable_from": 2019, "spans_soc_revision": true }, "pivots": [ { "slug": "refractory-materials-repairers-except-brickmasons", "title": "Refractory Materials Repairers, Except Brickmasons", "verdict": "EXPOSED", "risk_resistance": 65, "median_wage": 61290, "overlap": 89, "skills_to_close": [] }, { "slug": "furniture-finishers", "title": "Furniture Finishers", "verdict": "EXPOSED", "risk_resistance": 52, "median_wage": 44540, "overlap": 85, "skills_to_close": [ "Service Orientation", "Instructing", "Management of Personnel Resources", "Operations Analysis" ] }, { "slug": "automotive-body-and-related-repairers", "title": "Automotive Body and Related Repairers", "verdict": "EXPOSED", "risk_resistance": 65, "median_wage": 54890, "overlap": 85, "skills_to_close": [ "Installation", "Service Orientation", "Active Learning", "Programming" ] } ], "license": "https://cookedindex.com/terms" }