METAL PIPE FITTINGS, NAMELY, CHAINS, METAL ROSETTES AND CONNECTORS FOR SANITARY PURPOSES; FLEXIBLE METAL HOSES FOR PLUMBING USE; WATER SUPPLY FITTINGS MADE OF METAL, NAMELY, PLUG-IN COUPLINGS, METAL HOSES AND METAL SUPPLY AND DISCHARGE PIPES FOR PLUMBING, MANUALLY OPERATED VALVES