Risks exposure to the following environmental hazards: Bright/dim light, dust and pollen, extreme heat and/or cold, wet or humid conditions, extreme noise levels, fumes and/or noxious odors, traffic, moving machinery, electrical shock, heights, disease/pathogens, toxic/caustic chemicals, explosives, and violence. WORKING ENVIRONMENT/PHYSICAL REQUIREMENTS: Heavy work that involves constantly lifting, pushing, or raising objects, exerting 50 to 75 pounds regularly, and exerting 100 pounds of force frequently.