Which gases are used in gas-welding?A. Oxygen, acetylene, and argonB. Oxygen, acetylene, and NitrogenC. Air and acetylenesD. None of these 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
