Heaven itself when you just see through your welding-helmet the merger of the two metal piece. Arc welding (MIG, TIG, MMA) is a method, which produces electric arc between an electrode and the workpiece.Arc welders melt the metal (workpiece) at the welding point. In most cases consumable filler rod is used as the deposit. At the welding puddle oxygen or nitrogen can cause imperfections. Therefore, a shielding gas is added to protect the weld. Let me not get into technical details, because for both of us it is important the final result what we get in the end. So again if you need any type of welding don't hesitate and come to Kispest, 55. Fő street.