Grinding And Sharpening: In metalworking, sandpaper could be used for grinding and sharpening numerous metal tools and surfaces. Coarser grits, like 36 or sixty, are used to remove material and shape the steel. This is very handy for reshaping or sharpening blades, chisels, or other cutting instruments. Sandpaper can be https://x.com/hongyuxin20/status/1818535565337272483