Eurotech an authorized Agent of American Welding Society(AWS). We conduct AWS CWI Examination with documented training in INDIA and MIDDLE EAST. For More Information contact to Mr.Puneet Sharma E-mail: (aws.cwi.training@gmail.com)
Q:- Atmospheres for shielding an arc may consist of:
1. Inert gases, active gases, or mixtures of inert and active gases 2. Only inert gases are permitted 3. Only active gases are permitted 4. No gases are permitted for welding 5. none of the above
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