?How is steel making similar to welding processes?
A. ?Both use a flux to remove impurities.
B. ?Both processes use an inert shielding gas to protect the molten metal from oxidation.
C. ?Both have a way of controlling the carbon content to control the hardness of the metal.
D. ?They really are not similar in any way because one is so small compared to the other which is so much bigger.
Answer: A
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