Grinding And Sharpening: In metalworking, sandpaper can be used for grinding and sharpening numerous metallic applications and surfaces. Coarser grits, like 36 or 60, are used to get rid of material and shape the metallic. This is particularly handy for reshaping or sharpening blades, chisels, or other cutting resources. Lasers https://x.com/hongyuxin20/status/1816466935355470013