Beneficial strain ventilation any of numerous types of mechanical ventilation in which gasoline is delivered into your airways and lungs underneath optimistic tension, manufacturing positive airway strain in the course of inspiration; it could be completed by using both an endotracheal tube or simply a nasal mask. See also ventilator. https://ventilationductwork90133.madmouseblog.com/18078790/5-simple-techniques-for-ventilation-ductwork