Ventilation allows to remove and dilute indoor pollutants, lowering the focus of contaminants and enhancing indoor air top quality. b(1) : the circulation and Trade of gases from the lungs or gills that is definitely simple to respiration (2) : synthetic respiration with the lungs exclusively : mechanical ventilation ventilation https://hectorcsgui.thelateblog.com/38007095/indicators-on-ventilation-you-should-know