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.
Operations Monitoring
Watching gauges, dials, or display screens to make sure a machine is working.
Transportation
Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.