Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
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.
Administration and Management
Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.
Production and Processing
Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.