Uses: For metal deburring, grabbing drills and scissors, modifying molds, removing rust, precious metal processing, workmanship, groove processing, welding finishes, etc. Application (for stone): Use for processing stone, glass, ceramic, resin, marble, etc. For river stone processing, china, and carving, marble can also be used for engraving letters, patterning, sharpening carbide blades and masonry drills.