Primary functions require sufficient physical ability and mobility to walk, stand, and sit for prolonged periods of time; to frequently stoop, bend, kneel, crouch, crawl, climb, reach, twist, grasp, and make repetitive hand movement in the performance of daily duties; to climb unusual heights on ladders; to lift, carry, push, and/or pull moderate to heavy amounts of weight; to operate assigned equipment and vehicles; and to verbally communicate to exchange information. Work is performed in an indoor and outdoor field environment; travel from site to site; exposure to dust, grease, noise, fumes, noxious odors, gases, mechanical and electrical hazards, and all types of weather and temperature conditions.