A professional who visually inspects plate glass or glass products, including fiberglass, for defects, such as scratches, cracks, chips, holes, or bubbles. Respnsibilities include:

• Places workpiece on inspection stand or table for examination.
• Examines workpiece and marks defects.
• Rejects or classifies pieces for potential use, such as mirrors, glass pane, or furniture tops.
• Scrapes or washes foreign material from surface, using scraper, sponge, or brush.
• May clean or polish glass by washing with water or solvent and drying with cloth.
• May place straightedge over glass plates to determine if plates are warped.
• May attach identifying label to glassware.