Grinding and Sharpening: In metalworking, sandpaper is usually used for grinding and sharpening several metallic resources and surfaces. Coarser grits, like 36 or sixty, are used to eliminate material and condition the metal. This is particularly handy for reshaping or sharpening blades, chisels, or other cutting instruments. Sandpaper is an https://www.pinterest.com/pin/1001488035878382699/