Metal in the form of sheets, coils, strips, plates, bars, rods, slabs and ingots; precoated metal sheets, coils and strips including prepainted metal sheets, coils and strips; metal building materials including guttering and ceiling panels; metal roof and wall cladding, water tanks of metal; water pipes of metal; water valves of metal; facias, guttering, ridge capping, metal channels, metal angles; bolts, screws, rivets, nails, brackets, clips and clamps, all of metal