Frequent (34-66% of workday) climbing, ascending/descending ladders while carrying objects, hearing, use of near and far vision, bending/twisting, lifting and carrying objects weighing 11-20 pounds, pushing/pulling objects weighing 11-20 pounds, and medium handling. Occasional (1-33% of workday) walking, sitting, stooping, kneeling, crouching, balancing, reaching, feeling, talking, lifting, and carrying objects weighing 21-50 pounds, and pushing/pulling objects weighing 41-80 pounds on wheels, and high handling and fingering.