Rarely-Crawling,Atmospheric Conditions, Hazards, Vibration, Humid, Wet, Temperature Changes, Extreme Heat, Extreme Cold, Crouching, Kneeling, Climbing, Carrying, Lifting, Sitting, Crawling. Working Conditions: Constantly-Standing, Walking, Sitting, Balancing, Noise, Cigarette Smoke, Talking, Hearing, Repetitive Motions, Eye/Hand/Foot Coordination.