Grinding and Sharpening: In metalworking, sandpaper could be used for grinding and sharpening several metal equipment and surfaces. Coarser grits, like 36 or sixty, are used to eliminate material and condition the metal. This is especially valuable for reshaping or sharpening blades, chisels, or other cutting applications. No matter the https://www.pinterest.com/pin/1001488035878233668/