Ventilation will help to remove and dilute indoor pollutants, reducing the focus of contaminants and improving upon indoor air high quality. pulmonary ventilation a measure of the speed of ventilation, referring to the whole Trade of air among the lungs and the ambient air, ordinarily in liters for each moment. https://ventilationductwork01223.creacionblog.com/37381452/detailed-notes-on-ventilation-ductwork