Reproduction of recorded media, manufacture of coke and refined petroleum products, manufacture of rubber and plastic products, manufacture of other non-metallic mineral products, manufacture of basic metals, manufacture of structural metal products, manufacture of tanks, reservoirs and containers of metal, manufacture of steam generators, except central heating hot water boilers, forging, pressing, stamping and roll-forming of metal; powder metallurgy, treatment and coating of metals; machining, manufacture of cutlery, tools and general hardware, manufacture of other fabricated metal products, building of ships and boats and repair and installation of machinery and equipment