save energy welding machine 1.obtain CE UL TUV ,CCC,EMC ... electricity1,cut+weld+braze+solder machine+Etc. 2.Normal water for cutting and 45% alcohol for welding .3.New concept ,cost ... soldering quickly and easily. 2.Using Multiplaz 3500 for welding and cutting does not require dangerous gas bot ... with other equipment. 3.Using Multiplaz 3500 for arc welding, does not require the typical three-phase ...