Firemen used a positive pressure ventilator to force out the smoke.
A smart bomb found its way down the ventilator shaft of the shelter.
This is a model beehive, and that is a ventilator , for ventilating sewers.
Ventilation was provided by a high-frequency jet ventilator through a cannula attached to the proximal port of the rigid bronchoscope.
Fifteen have been so ill they have required ventilator support to stay alive.
Plenty of light enters through empty portholes on both sides of the engine room and ventilator hatches in the roof.
The indoor air circulates through the core of the heat recovery ventilator along with cold, fresh, outdoor air.
Inlet chamber temperature was influenced by ambient air temperature and ventilator output temperature.
Six patients reported symptomatic improvement, including three who were weaned off the mechanical ventilator .
Patients were screened daily using published guidelines for ability to wean from the mechanical ventilator .