Which of the following is true of shielded metal arc welding?
A. The machine and the electrodes are expensive.
B. Metal as thin as 1/16 inch to several feet thick can be welded using the same machine.
C. There is a lot of equipment required, and it is difficult to move.
D. The process is not suitable for cast iron, aluminum, stainless steel or nickel.
Answer: B
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