The seamstress kept several ventiles in her studio for making weatherproof jackets.

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

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

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.

After noticing the stuffy odor, the maintenance team re-ventilated the conference room before the meeting.

The maintenance team is re-ventilating the older wing to improve air quality before winter.

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

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

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