6 MANUALLY OPERATED METAL VALVES; METAL PULLEYS, SPRINGS AND VALVES (NOT INCLUDING MACHINE ELEMENTS); VALVES USED FOR WATER, OIL, STEAM & GAS; MANUALLY OPERATED "BALL VALVES, GATE VALVES, STRAINERS, CHECK VALVES, BUTTERFLY VALVES AND STOP VALVES"; MANUALLY OPERATED METAL VALVES