• 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.
• 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.
• 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.
• English Language - Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
• Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
• 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.
• 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.
• Clerical - Knowledge of administrative and clerical procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and other office procedures and terminology.
• Economics and Accounting - Knowledge of economic and accounting principles and practices, the financial markets, banking and the analysis and reporting of financial data.