Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic
Set up, operate, or tend grinding and related tools that remove excess material or burrs from surfaces, sharpen edges or corners, or buff, hone, or polish metal or plastic work pieces.
Definition from U.S. Department of Labor, Employment and Training Administration (USDOL/ETA) (O*NET 31.0 (August 2026)).