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8199
Which statement concerning a welding process is true?
| | A) In the metallic arc welding process, filler material, if needed, is provided by a separate metal rod of the proper material held in the arc. |
| | B) The inert arc welding process uses an inert gas to protect the weld zone from the atmosphere. |
| | C) In the oxyacetylene welding process, the filler rod used for steel is covered with a thin coating of flux. |
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