Applicable Federal, state and local laws, codes, regulations and/or ordinances; Skilled maintenance and operations techniques and practices of assigned area; Utility vehicle operation techniques; Equipment, tools, and materials of assigned area; Occupational hazards and related safety precautions and practices; Customer service principles; Mathematical concepts; Specialized equipment relevant to area of assignment; Modern office technology and equipment. Incumbents may be subjected to moving mechanical parts, electrical currents, vibrations, fumes, odors, dusts, gases, poor ventilation, chemicals, oils, extreme temperatures, inadequate lighting, workspace restrictions, intense noises, travel and environmental conditions such as disruptive people, imminent danger or a threatening environment.