Computers and Electronics
Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.
Mathematics
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
Education and Training
Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.
Chemistry
Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.
Public Safety and Security
Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
Quality Control Analysis
Testing how well a product or service works.
Physics
Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub- atomic structures and processes.
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.
Troubleshooting
Figuring out what is causing equipment, machines, wiring, or computer programs to not work.
Operation and Control
Using equipment or systems.
Equipment Maintenance
Planning and doing the basic maintenance on equipment.
Operations Monitoring
Watching gauges, dials, or display screens to make sure a machine is working.
Repairing
Repairing machines or systems using the right tools.
Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance.