Ngaphantsi kombhobho odityanisiweyo ukusuka phezulu kwe-arc, ukusuka phezulu ukuya ezantsi yonke indawo-ubuchule bokuwelda, indlela yesantya se-welding, inkangeleko ye-weld, umgangatho olungileyo we-welding, unokugcina izinto zokuwelda, ukunciphisa ukuqina kwabasebenzi, okuyi-SMAW eqhelekileyo. ayinakuthelekiswa kwaye ngoku isetyenziswa ngokubanzi kwi-larg...
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