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 shape the steel. This is very useful for reshaping or sharpening blades, chisels, or other cutting applications. Despite the power https://x.com/hongyuxin20/status/1818529525501665311