- Etching and engraving (3)
- Engraving jewelry, silverware, or metal (7)
- Etching on metals (2)
- Painting, coating, and hot dipping (3)
- Coating of metals and formed products (1)
- Coating, rust preventive (1)
- Enameling, including porcelain, of metal products (1)
- Painting of metal products (2)
