While performing the duties of this job, the employee must have the ability to occasionally lift 75 pounds from floor to chest; reach and use the arms with a full range of motion; endure prolonged standing, stooping, kneeling, crouching, and squatting while performing mechanical operations; exert push and pull forces with the arms in order to use various wrenches and tools; endure prolonged forward and overhead arm positions while performing mechanical operations; use hands to grasp hand tools and parts and climb onto and operate equipment. May be exposed to weather extremes when working outside in conditions that include inclement weather, heat, cold, and humidity.