[Class : 19] All Types Of Ceramic Clays Including China Clay, Ball Clay, Snow White Clay, Ukrain Clay, Washing Ball Clay, Felspar Potas Powder, Felspar Soda Powder, Quartz Powder, Talc Powder, Brimstone, Brine, Limestone, Sands, Stones, Soils, Chalk, Roller Engobe And Other Allied Materials Use For Manufacturing Ceramic Products Included In Class 19.