Ventilation 28
Ventilation 28 : Ventilation is the movement of air. One of the main purposes of ventilation is to remove contaminated air from the workplace. There are several different kinds of ventilation. See: General Ventilation, Local Exhaust Ventilation, Mechanical Ventilation and Natural Ventilation. More detailed information is available in the CCOHS publication "A Basic Guide to Industrial Ventilation"
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