Occupational health and safety refers to procedures that maintain worker well-being in any job. It provides a safe work environment and protects against illness and injury. The document defines several types of workplace hazards including physical, biological, ergonomic, chemical, and psychological hazards. It provides examples of each type of hazard caregivers may face, such as heavy lifting (ergonomic), infectious materials (biological), and verbal abuse (psychological). The document emphasizes the importance of occupational health and safety for protecting workers, ensuring business operation, and boosting employee morale and productivity.