Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 70 Glass and Glassware. 70 15 CLOCK OR WATCH GLASSES, GLASS FOR SPECTACLES, NOT OPTICALLY WORKED Commodity Code Description 70 15 10 Glasses for corrective spectacles 70 15 90 Other