Fittings of metal for pipes; Manually operated metal valves; Metal couplings for use with metal fire hose; Metal elbows for pipes; Metal hardware, namely, washers; Metal hose clips for fire hose; Metal hose fittings; Metal pipe connectors; Metal pipe couplings and joints; Metal pipe fittings; Metal pipes and metal fittings therefor; Rotating junctions of metal for pipes; Water-pipe valves of metal