- Metal powders, pastes, and flakes (5)
- Aluminum atomized powder (1)
- Powder, metal (5)
- Silver powder (7)
- Metal fasteners (6)
- Brads: aluminum, brass, or other nonferrous metal or wire (1)
- Nails: aluminum, brass, or other nonferrous metal or wire (1)
- Iron ore recovery from open hearth slag (1)
- Reclaiming ferrous metals from clay (2)
- Steel balls (1)
