Final answer:
The four types of physical hazards are mechanical hazards, chemical hazards, biological hazards, and ergonomic hazards.
Step-by-step explanation:
The four types of physical hazards are:
- Mechanical hazards: These are hazards that result from the use of machinery or equipment, such as moving parts, sharp edges, or falling objects.
- Chemical hazards: These are hazards that result from exposure to harmful substances, such as toxic chemicals, gases, or fumes.
- Biological hazards: These are hazards that result from exposure to biological agents, such as bacteria, viruses, or fungi, which can cause infections or diseases.
- Ergonomic hazards: These are hazards that result from poor ergonomic conditions, such as improper lifting techniques, awkward postures, or repetitive movements.
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