Work environment; exposure to extreme hot and cold temperatures, wet humid conditions, working near moving mechanical parts, fumes or airborne particles, toxic or caustic chemicals and risk of electrical shock, risk of radiation and work with some form of vibration (67 to 99% of the work day), work with explosives (0 to 33% of the work day). Ability to stand, walk, talk or hear, use hands to finger, handle or feel, push/pull, stoop, kneel, crouch or crawl, reach with hands and arms and taste or smell (67 to 99% of the work day).