- Electroplating and plating (9)
- Anodizing (plating) of metals or formed products (17)
- Chromium plating of metals or formed products (23)
- Decorative plating and finishing of formed products (6)
- Electrolizing steel (1)
- Electroplating of metals or formed products (41)
- Gold plating (2)
- Plating of metals or formed products (56)
- Cleaning, polishing, and finishing (13)
- Buffing for the trade (8)
- Cleaning and descaling metal products (7)
- Coloring and finishing of aluminum or formed products (1)
- Decontaminating and cleaning of missile or satellite parts (1)
- Finishing, metals or formed products (68)
- Polishing, metals or formed products (45)
- Sand blasting of metal parts (7)
