Manually operated metal valves; Water-pipe valves of metal; Valves of metal, other than parts of machines; Valves of metal other than parts of machines including those from alloy steel and titanium; Metallic drain traps; Metal filtering tubes used to prevent storm water runoff pollutants from entering sewer systems; Stainless steel strainers used in the commercial preparation of foods, beverages, dairy products, pharmaceuticals and drugs; Metal hose clamps; Metal pipe connectors; Metal coupli...