4. Technician A says that magnesium parts should be welded using a GMA (MIG) butt joint with backing.
Technician B says that when welding magnesium, a magnesium electrode wire should be used to help ensure good weld quality.
Who is right and why?
*Technician A says that a tailor-rolled blank may have different types of steel designed into each part.
Technician B says that a tailor-rolled blank is a seamless structure with varying thicknesses.
Who is right?
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