Frequently requires standing, walking, sitting, speaking or hearing, using hands to finger, handle or feel, climbing or balancing, stooping, kneeling, crouching or crawling, reaching with hands and arms, tasting or smelling, pushing or pulling, lifting and repetitive motions. Occasionally may be exposed to wet or humid conditions (non-weather), to extreme hot and/or cold (non-weather), to fumes or airborne particles, and to toxic or caustic chemicals.