Which of the following is a commonly accepted limitation of flux core arc welding (FCAW)?

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Which of the following is a commonly accepted limitation of flux core arc welding (FCAW)?
A . It is more sensitive to drafts and wind than GMAW.
B . It has lower deposition rates than SMAW.
C . Shielding must always be provided by an externally supplied gas.
D . Large volumes of welding fumes are generated.

Answer: D