6 Manually Operated Metal Valves-Namely, Petroleum Valves, Gate Valves, Solid Wedge Gate Valves, Venturi Solid Wedge Gate Valves, Stainless Cast Steel Gate Valves, Cryogenic Valves, Globe Valves, Swing Check Valves, Tilting Disk Check Valves, Slab-Seal Gate Valves, Through Conduit Valves, Fabricated Steel Valves, Interruption Valves, Pressure Valves and Valve Actuators