Incumbent performs various duties involving standing/walking for long periods, working in cramped, uncomfortable position for long periods, driving, and close vision, hearing mechanical sounds, lifting/carrying objects weighing more than 50 pounds, pushing/pulling objects, crouching/kneeling, driving, keyboarding, speaking clearly, reaching, bending, and handling/grasping and fingering objects. Ability to physically and safely perform assigned duties, involving standing/walking for long periods, working in cramped, uncomfortable position for long periods, driving, and close vision, hearing mechanical sounds, lifting/carrying objects weighing more than 50 pounds, pushing/pulling objects, crouching/kneeling, reaching, bending, and handling/grasping and fingering objects.