Steel pipes; ducts of metal, for central heating installations; water-pipes of metal; sleeves, namely, cable junction sleeves of metal; elbows of metal for pipes; tubing of metal; drain pipes of metal; pipes of metal; pipe muffs of metal; junctions of metal for pipes; pipework of metal; reinforcing materials of metal for pipes; collars of metal for fastening pipes; clips of metal for cables and pipes; casings of metal for oilwells; gutter pipes of metal; branching pipes of metal; ducts of metal for ventilating and air-conditioning installations; penstock pipes of metal

Metal pipe components in the nature of plumbing fittings specially adapted for water heaters, namely, pipe steam valve, pipe water control valve, water nozzle, three direction pipe joint, four direction pipe joint, pipe hoop, pipe fittings for the aforesaid goods, namely, baffles, couplers