Technician a Says That Mild Steel Trailer Frames Can Be

Multiple Choice

Technician A says that mild steel trailer frames can be welded using MIG welding equipment and general purpose steel filler wire.Technician B says that when extending a mild steel trailer I-beam ladder frame,the weld must be performed at a 45-degree angle.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B