Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 68 ARTICLES OF STONE, PLASTER, CEMENT, ASBESTOS, MICA OR SIMILAR MATERIALS 68 04 STONE, OF AGGLOMERATED NATURAL OR ARTIFICIAL ABRASIVES, OR OF CERAMICS, 68 04 10 MILLSTONES AND GRINDSTONES FOR MILLING, GRINDING OR PULPING Commodity Code Description 68 04 10 00 MILLSTONES AND GRINDSTONES FOR MILLING, GRINDING OR PULPING