Frequently required to push or pull objects weighing from 20 lbs – 60 lbs, up and down stairs, through doorways and thresholds, using dollies or carts, or on flat or angled surfaces which may include outdoor surfaces, carpeting or smooth floors. Strength Aspects: Frequently required to stand and lift objects from 1” to 36” high with weights ranging from 10 lbs - 100 lbs, and carry objects for distances ranging from 1 ft -350 ft, including travel up and down stairs or in elevators.