Welding arc (SAW), kamar yadda sunan ke nunawa, ana gudanar da shi ne a ƙarƙashin kashin kariya ko bargon ruwa.Kamar yadda kullun ke rufe baka ko da yaushe, yana kawar da duk wani hasken wuta daga fallen baka da kuma wajibcin allon walda.Tare da bambance-bambancen guda biyu na tsari, au ...
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