Position Summary: Cleans, deburrs, polishes, or grinds items of metal, plastic, or rubber by performing the following duties with relevant equipment. Deburrs or polishes parts. Mounts part on revolving spindle or chuck and holds or moves tools such as file, abrasive stone, or cloth against workpiece to file, grind, polish, or buff surface. Tumbles parts per work instructions with tumbling equipment. Cleans interior surfaces of holes. Changes tools on powered equipment. Applies abrasive compound, wax, or other dressing to facilitate cleaning or polishing operation.