6 COMMON METALS AND THEIR ALLOYS, NAMELY, COMMON METAL IN THE FORM OF COILS, STRIP OR SHEET, METAL BUILDING MATERIALS, NAMELY, SHEET METAL AND COATED SHEET METAL FOR ROOFING AND WALLS; PIPES AND TUBES OF METAL, NAMELY, METAL PIPES AND METAL TUBES MADE FROM COILS, STRIP OR SHEET METAL; METAL FENCING MATERIALS; AND NON-ELECTRIC CABLE AND WIRE OF COMMON METAL