1.Ho fetola mokhoa oa ho tjheseletsa TIG ka 4, ho fetola tatellano ea nako ka 5.
2.Nako ea phallo ea khase le nako ea ho phalla, litekanyetso tsa hona joale, maqhubu a pulse, duty cycle & slop time e ka fetoloa ha Crater On e khethoa.
3.Lebelo la phetoho ea maqhubu a pulse ke 0.1-500Hz.