Brackets of metal for building; Brackets of metal for furniture; Branching pipes of metal; Collars of metal for fastening pipes; Drain pipes of metal; Ducts of metal for ventilating and air-conditioning installations; Ducts of metal, for central heating installations; Elbows of metal for pipes; Gutter pipes of metal; Junctions of metal for pipes; Manifolds of metal for pipelines; Metal water pipes; Metal shelf brackets; Metallic flanges; Pipes of metal; Pipework of metal; Reinforcing materials of metal for pipes; Steel pipes; Valves of metal, other than parts of machines; Water-pipe valves of metal; Hardware mounting system comprised of metal brackets for bath accessories and decorative hooks