Common metal and their alloys; metallic construction materials, namely, fully supported hard metal roofing, fixed and over-mounted cladding, cassette panels; metallic materials for railway tracks; non-electrical metallic cables and wires; metal safes in ferritic, stabilised ferritic, austenitic and austenomolydenum low carbon stainless steel grades bearing 16-18% chromium, titanium, molybdenum or combination thereof; ores