... are as the following;Pipe, Gutter, Tile, Electric wire, Vinyl sheet, Parts of Electric product, Parts of Automobile, Toy, Film, Garbage bag, Container ... the Heavy Calcium Carbonate are as the following;Chemical shoes, Electric cable, Tire, Belt, Hose, Sponge, Rubber paste, Rubber glue ... glass like lens of camera, and Ceramics for electronic parts.At the school, it is contained to Powder of white ...