1.

Match the following1. Seam welding 1.rods and pipes of uniform cross section2. Butt welding 2. Welding satellite tips to tools3. Percussion welding 3. ERWpipesweldingWhich of the following is true?

A. 1-3, 2-2, 3-1
B. 1-3, 2-1, 3-2
C. 1-2, 2-3, 3-1
D. 1-2, 2-1,3-3
Answer» C. 1-2, 2-3, 3-1


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