Strength and mobility to work in a typical field, warehouse lot setting, including operating hand and power tools; stamina to perform sustained physical labor, including standing, walking, climbing and working in confined or awkward spaces; strength to lift and maneuver materials and equipment weighing up to 100 pounds with proper equipment; vision to read printed materials; and hearing and speech to communicate in person, over radio, or over a telephone. Work is subject to exposure to frequent travel, extreme weather conditions, noise, electrical shocks, hazardous chemicals, electrical currents, dust and noxious odors.