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.
Mathematics
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
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.
Operation and Control
Using equipment or systems.
Operations Monitoring
Watching gauges, dials, or display screens to make sure a machine is working.