Once you grind and polish stone by hand, you use sandpaper with grits of various coarseness. Sandpaper has lots of uses during the Do it yourself sector, but its Most important use should be to form and easy tough edges and surfaces on various items made of Wooden, stone, or https://www.quora.com/profile/Trevor-Flatcher-2/Understanding-the-Chemical-Stability-of-Silicon-Carbide-Special-Ceramics-https-www-macrocosmmaterial-com-news-Underst