Grinding and Sharpening: In metalworking, sandpaper might be used for grinding and sharpening a variety of steel applications and surfaces. Coarser grits, like 36 or 60, are used to remove material and shape the steel. This is very useful for reshaping or sharpening blades, chisels, or other cutting instruments. Your https://www.quora.com/profile/Trevor-Flatcher-2/Thermal-Conductivity-of-Silicon-Carbide-and-Heat-Dissipation-Solutions-for-Electronic-Devices-Thermal-management-is-a-c