Occupational hazards can be classified into several categories:
1. Physical Hazards: These include noise, vibration, and radiation. 2. Chemical Hazards: Exposure to toxic substances like asbestos, benzene, and heavy metals. 3. Biological Hazards: Pathogens that can lead to infections. 4. Ergonomic Hazards: Poor workstation design that can cause musculoskeletal disorders. 5. Psychosocial Hazards: Stress, workplace violence, and harassment.