Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
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.
Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits
Customer and Personal Service
Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.