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