Engineering and Technology
Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
Computers and Electronics
Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.
Troubleshooting
Figuring out what is causing equipment, machines, wiring, or computer programs to not work.
Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance.