... piece. Such as transmission shaft, axle, hydraulic ram, solar water heater, electric water heater, pressure container, gas tank and so on. Work piece ... /MAG welder, plasma welder, laser welder and so on. Water cooling for torch and cooper plate is optional. Picture 1 ... . Overview of entire machinePicture 2. Torch lifting transmissionPicture 3. Water cooled MIG/MAG torch, other TIG, plasma, laser torch ...