The Major Skill Required to Make Acceptable GMA Welds Consistently

The major skill required to make acceptable GMA welds consistently is_______________.

A) to use a longer arc length with a slower wire feed speed
B) to only weld in the flat or vertical down positions when possible
C) the ability to set up the equipment and weldment
D) to keep the welding gun nozzle high enough so you can always see all of the weld pool