When you grind and polish stone by hand, you utilize sandpaper with grits of various coarseness. Sandpaper has several uses in the DIY sector, but its Principal use is to form and easy rough edges and surfaces on many products made of wood, stone, or metallic. Lasers could be used https://www.facebook.com/permalink.php?story_fbid=pfbid02jAArigxVkBEZXSNgVpCS7cqWweu4SsWHBZ26UU6tFGHtNiqwE8ckgcEmqTbSGN2Ql&id=61562415773754&__cft__[0]=AZX_BCZxnuMA1RxyWH8Bi-yRF9rwBx5u2ktENoiePTkpV64ICIr_JRop4vSkPDmUoGBNflUdRhhpSW13o6UGYRfehZ8-b2vojIMg30gryCF9Mzo4bwUgCLHo2MwQoMfBixNe-zsGGziPDKIz3i-Rq-c4TRawaekylJ6ClA4SissJmPrO5RIMQ7_ChNUefQ0tN8eeVjVsfvJKOux6GoDA5scz&__tn__=%2CO%2CP-R