3.Hearing, Speaking: Frequently standing, walking, bending, squatting, reaching, and twisting while training crews in dusting, cleaning, sweeping, mopping, vacuuming, removing trash and performing other related janitorial duties. 6.Movement: Occasionally bending, reaching, and twisting; occasionally climbing stairs and/or ladders squatting, and kneeling to clean, dust, inspect, remove trash, sweep, and mop.