- Etching and engraving (1)
- Engraving jewelry, silverware, or metal (9)
- Etching on metals (1)
- Painting, coating, and hot dipping (2)
- Coating of metals and formed products (1)
- Coating or wrapping steel pipe (1)
- Galvanizing of iron, steel, or end-formed products (2)
- Painting of metal products (4)
