... , welding, soldering and brazing. Welding type:Plasma and plasma arc. (working by water no need gas)For cutting all you need ... 50mm), brazing, soldering.2, A portable multi-functional plasma device working at all kinds of metals, including alloy.3, we use 110V ... Geneva invention prize in the Geneva World Invention Salonand patented at 26 countries.7, pass the test of CE, UL, CCC ...