EH

Manually operated metal valves, namely, ball valves and cut-off valves for gas leak prevention, [ steel bottle valves for liquefied petroleum gas, ] angle valves, valves for pressure reduction, adjusting valves, discharge valves for safety, valves for metal pipes which provide and discharge water, and valves for general use and pipes; pipes of metal, elbows of metal for pipes; pipe works of metal, namely, [ brass flare fittings, brass compression fittings, ] brass bar fittings, [ brass gas fittings, ] brass hydraulic fittings, stainless fittings, steel barrel fittings, steel threaded fittings, brass tube and pipes, copper tube and pipes, stainless tubes and pipes, steel tubes and pipes