Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 70 Glass and Glassware. 70 04 DRAWN/BLOWN GLASS, IN SHEETS, NOT OTHERWISE WORKED 70 04 20 Glass, coloured throughout the mass (body tinted), opacified, flashed or having 70 04 20 00 Glass, coloured throughout the mass (body tinted), opacified, flashed or having Commodity Code Description 70 04 20 00 000 Glass, coloured throughout the mass (body tinted), opacified, flashed or having