- Electroplating and plating (6)
- Anodizing (plating) of metals or formed products (2)
- Chromium plating of metals or formed products (2)
- Decorative plating and finishing of formed products (1)
- Electroplating of metals or formed products (2)
- Gold plating (1)
- Plating of metals or formed products (9)
- Cleaning, polishing, and finishing (9)
- Buffing for the trade (1)
- Cleaning and descaling metal products (1)
- Decontaminating and cleaning of missile or satellite parts (1)
- Finishing, metals or formed products (12)
- Polishing, metals or formed products (5)
- Sand blasting of metal parts (5)
- Tumbling (cleaning and polishing) of machine parts (1)
