Potential exposure to unpleasant odors, animal wastes, animal tissues and body fluids, toxic chemicals, zoonotic diseases (tuberculosis, shigella, etc.) infectious agents (Hepatitis B, C, HIV, etc.). 1. This work will require bending, carrying, kneeling, lifting, listening, pulling, pushing, reading, speaking, squatting, standing, stooping, stretching, walking, watching, and writing.