- Etching and engraving (7)
- Engraving jewelry, silverware, or metal (12)
- Etching on metals (3)
- Etching, photochemical (1)
- Name plates: engraved, etched, etc. (3)
- Painting, coating, and hot dipping (25)
- Coating electrodes (1)
- Coating of metals and formed products (16)
- Coating of metals with plastic or resins (2)
- Coating of metals with silicon (1)
- Coating or wrapping steel pipe (1)
- Galvanizing of iron, steel, or end-formed products (4)
- Hot dip coating of metals or formed products (3)
- Painting of metal products (6)
- Parkerizing (1)
