- Electroplating and plating (11)
- Anodizing (plating) of metals or formed products (6)
- Chromium plating of metals or formed products (6)
- Decorative plating and finishing of formed products (1)
- Electrolizing steel (1)
- Electroplating of metals or formed products (16)
- Gold plating (2)
- Plating of metals or formed products (18)
- Cleaning, polishing, and finishing (12)
- Buffing for the trade (1)
- Cleaning and descaling metal products (3)
- Coloring and finishing of aluminum or formed products (3)
- Finishing, metals or formed products (15)
- Polishing, metals or formed products (14)
- Sand blasting of metal parts (11)
