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 10 Articles of cement, of concrete or ofartificial stone 68 10 91 Other 68 10 91 90 Other Commodity Code Description 68 10 91 90 00 Prefabricated structural components for building or civil engineering :
