The employee occasionally works near moving mechanical parts; in high, precarious places; and with explosives and is occasionally exposed to wet and/or humid conditions, fumes or airborne particles, toxic or caustic chemicals, extreme cold, extreme heat, and vibration. The employee is occasionally required to use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; climb or balance; stoop, kneel, crouch, or crawl; and taste or smell.