portable welding machine -1 tool do cut,weld,braze,solder all -work no need gas but water -CE, ... and plasma arc. (working by water no need gas)For cutting all you need is: Multiplaz 3500 + ... + 110-253V electricity + water + alcohol - no gas 1, 1 machine fulfill all jobs: cutting (up to 12 mm), ... need gas or other expensive source, save money and zero pollution!5, no need accessory tool, machine is ...