Elbows of metal for pipes; Elbows of metal for pipes including those from alloy steel and titanium; Fittings of metal for pipes; Manually operated metal valves; Metal elbows for pipes; Metal pipe couplings and joints; Metal pipe fittings; Pipes and tubes of metal; Pipework of metal; Stainless steel pipes; Stainless steel strainers used in the commercial preparation of foods, beverages, dairy products, pharmaceuticals and drugs; Stainless steels; Valves of metal, other than parts of machines; ...