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All the hazards types are dangerous , many factors are playing role here to let thhe level of risk vary ,,, exposure limits , nature of industry , type of activites ,,,,a fatal accidents can be caused by phiscal hazards , the same can be caused by chemical & biological hazards .....
Anyway , the main issue is to focus on hazards recogintion and identification , thenafter , control the hazards either bby elimnation , engineering controls , adminstrative , or PPEs ...
boilogical