Copper pipe; copper tube; insulated pipes made of copper; insulated tubes made of copper; pipes of metal; tubes of metal; common metals and their alloys; metal building materials; small items of metal hardware; goods of common metal not included in other classes; copper pipe and tubing insulated with fire rated rubber and synthetic rubber product; ducts of metal for ventilating and air-conditioning installations; ducts and pipes of metal for central heating installations; copper wire, not insulated; copper, unwrought or semi-wrought; reinforcing materials of metal for pipes; pipework of metal; pipes of metal with fire collars or wraps containing fire resistant sealing, packing or insulating materials; tubes of metal with fire collars or wraps containing fire resistant sealing, packing or insulating materials; joints of metal containing fire resistant sealant compounds