E na le matla a phahameng le boima, conductivity ea motlakase le conductivity ea mocheso, ho hanyetsa ho apara hantle le ho fokotsa ho apara.Kamora kalafo ea botsofali, ho thatafala, matla, conductivity ea motlakase le conductivity ea mocheso li ntlafatsoa haholo, 'me ho bonolo ho cheseha.E sebelisoa haholo ho bapalami ba likoloi, li-welders, li-welder tsa seam, li-electrode bakeng sa li-welders tsa butt, le likarolo tse ling tse hlokang matla, boima, conductivity le thepa ea pad mochesong o phahameng.Motlakase oa spark electrode o ka sebelisoa ho emisa seipone se loketseng holim'a seipone, 'me ka nako e ts'oanang, se na le ts'ebetso e nepahetseng,' me se ka finyella liphello tseo ho leng thata ho li finyella ka koporo e hloekileng e khubelu e kang lilae tse tšesaane.E sebetsa hantle ka thepa e thata ea mochini joalo ka tšepe ea tungsten.