Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
Building and Construction
Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.
Quality Control Analysis
Testing how well a product or service works.
Troubleshooting
Figuring out what is causing equipment, machines, wiring, or computer programs to not work.
English Language
Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.