The Knowledge of machines and tools, including their designs, uses, repair, and maintenance, raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods, the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar, principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction, laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.