Once you grind and polish stone by hand, you use sandpaper with grits of different coarseness. Sandpaper has many uses in the Do it yourself sector, but its Most important use should be to form and easy tough edges and surfaces on several goods made of wood, stone, or steel. https://www.facebook.com/permalink.php?story_fbid=pfbid0Qee3GLHnBKtjgco2KZ6VhkXqKVEoRqjHDDtusk3aUHLSrWSTVpJNVifqF5Aatzbsl&id=61560512640678&__cft__[0]=AZUXgtUFttlVUHBSJkLvKzNefUskl31elgtgbgQSgezBUc0dkqrWO6Uss7fCreHaW0DIfHPqJ2eChtdFAK79BBL9XT_nDbN8I1IyRjmJfKhX_IV0wIJ7A3GFUYGxJ286fFtZhKtfWkLj8_PSfLzttxOdxLKK8tANAdjFVhwAoM7DZ3aSSPjhVLquiT2iuNeVSTogE8d7iPIIPNa5qlY3-jFH&__tn__=%2CO%2CP-R