Alloys of common metal; Arbours of metal; Manually operated metal valves; Metal drain pipes; Metal nuts; Metal pipe clips; Metal pipe fittings, namely, rosettes; Metal tubes for industrial use; Metal valves not being parts of machines; Metallic flanges; Pipe connectors of metal; Underdrainage pipes of metal; Valves of metal other than parts of machines including those from alloy steel and titanium; Valves of metal, other than parts of machines; Water-pipe valves of metal