A hazard is any condition or practice that could cause injury, illness, or death to workers, and controlling these hazards involves various strategies including elimination, engineering controls, and personal protective equipment (PPE). The document outlines the importance of PPE in protecting against specific hazards, detailing requirements for clothing, head, eye, face, ear, hand, and fall protection. It emphasizes the hierarchy of controls, asserting that while PPE is vital, it should not be the sole method of hazard control.