- Anodizing (plating) of metals or formed products (1)
- Chromium plating of metals or formed products (3)
- Electroplating of metals or formed products (7)
- Gold plating (1)
- Plating of metals or formed products (10)
- Cleaning, polishing, and finishing (2)
- Cleaning and descaling metal products (3)
- Finishing, metals or formed products (3)
- Polishing, metals or formed products (3)
- Sand blasting of metal parts (5)
- Tumbling (cleaning and polishing) of machine parts (1)
