Eaves must be covered, with few ventilation openings, to prevent embers from lodging there in a fire.

There is a series of large, protruding ventilation openings on the 10th and 29th floors.

Water was already flooding onto her deck, splashing through ventilation openings under her armor.

Air blasted in great coughs from ventilation openings, filling the hangar bay again.

It also had ventilation openings that could be closed.

The cabin was built on a raised stone foundation with a few ventilation openings much too small for anyone to crawl through.

Morgan noticed a hand in the ventilation opening.

In all cases insulation material must not be allowed to block the ventilation openings.

The jacket is made with several ventilation openings.

And below each shoulder on the chest is a smaller ventilation opening.