1.Physical hazard – noise, vibration, radiation , electricity ,
cut , fall and etc
2. Chemical hazard – solid , liquid, gas dust and fumes
3. Biological Hazard – virus, fungal , parasites and etc
4. Ergonomic hazard – repetitive and forceful vibration, height,
awkward postures, in-proper design of machine and etc.
5.Physiological Hazard – stress, culture, mood, anger,
attitude and etc
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