Industry system men worker welds joint of copper pipe air conditioner.Welding of copper pipe of a methane gas pipeline or of a conditioning or water system. Welding soldering copper pipes.

luxury, shiny, equipment, metal, steel, connection, connector, dangerous, hardware, industrial, supply, construction, house, industry, hot, fire, flame, brass, tube, manufacturing, oxygen, repair, torch, pipe, worker, plumbing, fitting, cutter, gas, pipes, elbow, factory, copper, contractor, joint, fix, central, welding, sweating, sweat, propane, heating, piping, metalwork, solder, foundry, weld, metallurgy, acetylene, flux,