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Once the hazardous factor js identifjed,and the problera is evaluated, the hygjenist’s consecutive step is to design a control strategy or plan to reduce the exposure to meet the regulation. However, the key role must be played by the manager or supervisor. Because it is his responsibility to provide and maintain a healthy working condition and keep observance to authorities’ regulation. Chief control measures are: (1)engineering control; (2)administzati-
Once the hazardous factor js identifjed, and the problera is evaluated, the hygjenist’s consecutive step is to design a control strategy or plan to reduce the exposure to meet the regulation. is his responsibility to provide and maintain a healthy working condition and keep observance to authorities’ regulation. Chief control measures are: (1) engineering control; (2) administzati-