Make tools, fittings, and small metal pieces used in other products.
Performs one or more of following tasks to inspect glass and plastic lens blanks for defects: Removes paint and wax from blank with solvent and razor blade. Rinses blank in water. Examines surface and edges to detect defects, such as pits, scratches, and chips. Inspects blanks with polariscope to detect annealing defects, such as bubbles, striae, fire cracks, or seal checks. Marks defective blanks for rework or salvage, using crayon or pencil. Sorts blanks by grade and type of defect. Weighs lens blanks and records weight for determining shipping costs. May pack blanks in cartons for shipping. May gauge blanks [LENS-BLANK GAUGER]. May assemble nonprecision optical element into mechanical housing.