Multiple Choice
When would a portable fan be needed?
A) Anytime you are welding outside of a welding shop.
B) When the shop ventilation is not enough to blow away the welding fumes.
C) When you are welding around others to blow away the extra heat.
D) When you are making a GTA weld on thick stainless steel piping.
Correct Answer:

Verified
Correct Answer:
Verified
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