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

Repairing machines or systems using the needed tools.

Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.

The ability to see details at close range (within a few feet of the observer).

The ability to imagine how something will look after it is moved around or when its parts are moved or rearranged.

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

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.