Frequently requires working near moving mechanical parts and exposure to vibration and occasionally requires working in high, precarious places, exposure to fumes or airborne particles, exposure to toxic or caustic chemicals, exposure to extreme cold (non-weather), exposure to extreme heat (non-weather), exposure to the risk of electrical shock, wearing a self-contained breathing apparatus and exposure to bloodborne pathogens and may be required to wear specialized personal protective equipment. Work regularly requires standing, walking, speaking or hearing, using hands to finger, handle or feel, reaching with hands and arms, pushing or pulling, lifting and repetitive motions, frequently requires stooping, kneeling, crouching or crawling and occasionally requires sitting, climbing or balancing and tasting or smelling.