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 03 Worked slate and articles of slate or of agglomerated slate 68 03 00 - - - Trough, reservoirs, basins and sinks Commodity Code Description 68 03 00 10 - - - Trough, reservoirs, basins and sinks 68 03 00 90 - - - Other