What makes it skilled is the amount of soldering points you have to make in an hour, and the grit you need to maintain that rate because you have no choice. The

What makes it skilled is the amount of soldering points you have to make in an hour, and the grit you need to maintain that rate because you have no choice. The same kind of skills that orange pickers in the US south require, and is more abundant in Mexico apparently, than in the US.