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The gases used in different types of welding would include:__________?

Question: The gases used in different types of welding would include:__________?
  • A. (A) oxygen and hydrogen
  • B. (B) oxygen, hydrogen, acetylene and nitrogen
  • C. (C) oxygen, acetylene and argon
  • D. (D) oxygen and acetylene ✓
Correct Answer: D. (D) oxygen and acetylene

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