Whenever you grind and polish stone by hand, you use sandpaper with grits of various coarseness. Sandpaper has quite a few uses from the Do-it-yourself sector, but its Major use is usually to shape and sleek tough edges and surfaces on different things made of Wooden, stone, or steel. Lasers https://www.facebook.com/permalink.php?story_fbid=pfbid0Zkff5axPy6uAtu7ed6jL7bBkwRNQEiAdoff9FT6dTCiHjS7GfgNMKvgNrf2mHVSvl&id=61562415773754&__cft__[0]=AZUI90kXm6CF6WoBAoZpB--pN0ExuRPIfNrUipwWeTq75wQFBs2jd06YYlMjt9ypC06o0VzAripYTDyjtQ27LDW2agoiG8cq9hmV7HjUa7VSDgwTmV1UXdtYQdRO6BbQJ9t_ngaTGgccCTSq9QJEAIFpXosT23jashvb28TDuSJZb3q2jvmVkoRA73NDeQQCtly1ns3YbwrOOXRH2-Vp8O-t&__tn__=%2CO%2CP-R