- Etching and engraving (7)
- Engraving jewelry, silverware, or metal (7)
- Etching on metals (1)
- Etching, photochemical (1)
- Painting, coating, and hot dipping (5)
- Aluminum coating of metal products (1)
- Bonderizing of metal or metal products (1)
- Coating of metals and formed products (3)
- Enameling, including porcelain, of metal products (1)
- Painting of metal products (3)
- Rust proofing (hot dipping) of metals and formed products (2)
