Air hammers; Cemented carbide cutting tools; Cleaning appliances utilizing steam; Electric parquet wax-polishers; Electrically-operated brushes, being parts of machines; Electroplating machines; Engraving machines; Gas welding guns; Gas welding machines; Grinding and polishing machines; Honing machines for metalworking; Metal drawing machines; Metal welding machines, namely, saws and cutters; Metal working machines