Zili ndi mphamvu zambiri komanso kuuma, kusinthika kwamagetsi ndi kutentha kwa kutentha, kukana kuvala bwino komanso kuchepetsa kuvala.Pambuyo mankhwala okalamba, kuuma, mphamvu, madutsidwe magetsi ndi matenthedwe madutsidwe kwambiri bwino, ndipo n'zosavuta kuwotcherera.Amagwiritsidwa ntchito kwambiri pama commutators a mota, ma welder, ma seam welder, ma elekitirodi a ma welder a butt, ndi mbali zina zomwe zimafunikira mphamvu, kulimba, ma conductivity, ndi ma pad pa kutentha kwambiri.Electrode spark electrode ingagwiritsidwe ntchito kuyika galasi loyenera, ndipo nthawi yomweyo, imakhala ndi magwiridwe antchito abwino, ndipo imatha kukwaniritsa zovuta zomwe zimakhala zovuta kuzipeza ndi mkuwa wofiyira woyera monga magawo owonda.Zimagwira ntchito bwino pazinthu zovuta kupanga makina monga chitsulo cha tungsten.