After sealing the greenhouse for the winter, the horticulturist realized the space was not ventilable and installed vents immediately.

The explorer trusted her Ventile parka to keep out rain and wind during the Atlantic crossing.

The hospital tracked the number of ventilations performed during the emergency drill.

The newly designed greenhouse is self-ventilated, reducing the need for electric fans during the summer.

The factory installed new screw ventilators to improve airflow on the assembly line.

During the sea voyage, the old ship relied on a screw ventilator to keep the lower decks from becoming stifling.

During the polio outbreak, the clinic relied on a tank ventilator to support the breathing of paralyzed patients.

The plant manager ordered extra tank ventilators to prevent pressure buildup during the summer.

When the air quality drops suddenly, the ventilation system re-ventilates the conference room to clear the fumes.

After the chemical spill, the crew had to re-ventilate the lab before anyone could enter.