Technician A says that low hydrogen arc welding electrodes should be used when it is necessary to weld on a hardened steel frame rail.Technician B says that tempered steel rails can be MIG welded using appropriately rated wire in less time and lower risk of comebacks.Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

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The Answer of Technician A says that low hydrogen arc welding electrodes should be used when it is necessary to weld on a hardened steel frame rail.Technician B says that tempered steel rails can be MIG welded using appropriately rated wire in less time and lower risk of comebacks.Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Technician a Says That Low Hydrogen Arc Welding Electrodes Should