Welding process

1.	Welding process
A.	A-2, B-4, C-6, D-5
B.	A-2, B-4, C-1, D-5
C.	A-2, B-4, C-6, D-3
D.	A-2, B-4, C-6, D-1
Answer» B. A-2, B-4, C-1, D-5

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