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General Science Elements Metals - Discussion Page For Q.1478 | General Knowledge Questions and Answers | General Knowledge Free Online-Tests | LucentBlackBoard | LucentBlackBoard.com
Q: The gases used in different types of welding would include
A. oxygen and hydrogen B. oxygen, hydrogen, acetylene and nitrogen
C. oxygen, acetylene and argon D. oxygen and acetylene

Answer and Explanation

Answer:oxygen and acetylene

Explanation:
There is no explanation...

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