Repairing machines or systems using the needed tools.

Determining causes of operating errors and deciding what to do about it.

Watching gauges, dials, or other indicators to make sure a machine is working properly.

The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.

The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.

The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects.

Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.

Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.