- Etching and engraving (4)
- Engraving jewelry, silverware, or metal (3)
- Etching on metals (2)
- Name plates: engraved, etched, etc. (1)
- Painting, coating, and hot dipping (2)
- Coating of metals and formed products (3)
- Coating of metals with plastic or resins (2)
- Coating, rust preventive (1)
- Galvanizing of iron, steel, or end-formed products (1)
- Jewelry enameling (1)
- Painting of metal products (1)
- Parkerizing (1)
