Question: Filler metal is not used in the __________ welding.
[A].seam
electric spot
projection
all a, b & c
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.