Production and Processing
Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
Mathematics
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
Design
Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.