- Sand the surface
Dampen the sandpaper with water, and use medium pressure to sand the scratched surface in a circular motion. Add moisture to the paper as needed, and rub until the scratches disappear.
- Clean the surface
Dampen a cloth, and use it to wipe off the residue generated from sanding. Wipe again, but with a dry cloth.
- Apply polish
To restore a shiny surface, put a little metal polish on a dry cloth, and use it to rub the surface gently in a circular motion.