?GMAW-P welds made on most metals other than steel use __________shielding gas.

A. ?2% oxygen + 98% argon
B. ?100% argon
C. ?25% helium + 75% argon
D. ?25%CO2 + 75% argon


Answer: B

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Indicate whether the statement is true or false

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Fill in the blank(s) with the appropriate word(s).

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