Metal cutting; processing of metal surfaces by precision grinding and abrasive polishing; metal tempering; metal rust treatment; metal plating; cadmium plating; chromium plating; galvanization services; gold-plating; nickel plating; silver plating; tin-plating; plating, namely, gold, nickel, silver, and tin-plating; sheet metal rolling; metal casting; metal forging, namely, forging of metal goods to the order and specification of others; welding services; processing of metal surfaces using pr...