Local exhaust ventilation: These programs seize and take away pollutants in the supply, which include in kitchens or laboratories. b(1) : the circulation and exchange of gases during the lungs or gills that may be primary to respiration (2) : artificial respiration of your lungs precisely : mechanical ventilation ventilation https://simonpgxlz.blogscribble.com/37741684/the-2-minute-rule-for-ventilation-ductwork