[Class : 19] Building Materials (Non Metallic) Such As Bricks, Cement, Port Land Cement, Natural And Artificial Stone, Track Ballast Stones, Building Materials, Plaster And Putty, Construction Materials (Not Of Metal), Ceilings (Not Of Metal), Raw Chalk, Clay, Coal Tar, Materials For Making And Coating Roads, Concrete And Concrete Building Elements, Cosmic Sand, Olivine Sand...