Clearly and quickly hear or otherwise sense alarms orwarning and take appropriate action, maintain equilibrium to prevent falling when moving, walking, standing,kneeling or crouching- particularly on narrow, uneven, irregular, slippery surfaces, going up and down ladders,stairs, scaffolding, ramps, poles or other objects using hands, arms, feet or legs. Exposure to cold working conditions duringwinter months and hot working conditions during the summer months; exposure to noise, workers must wearprotecting hearing equipment or frequently shout in order to be heard above ambient noise level.