Mathematics
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
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.
Operation and Control
Using equipment or systems.
Monitoring
Keeping track of how well people and/or groups are doing in order to make improvements.