Repairing machines or systems using the needed tools.

Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.

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

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

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

The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing that there is a problem.

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

Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.

Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.