The family was also very sensible because all the doors downstairs were closed, which prevented more air getting to the fire.

One other point: You must prevent air from being sucked into the glass.

Membrane walls, used to prevent air from entering the panel.

It may also mean "seal the room;" in other words, take steps to prevent outside air from coming in.

When a fireplace is used in most homes, the windows and doors are tightly closed to prevent cold air from coming inside.

They must try to prevent air reaching the flames, he was sealing the hull.

You can also use a chin strap, which is designed to hold the mouth closed in order to prevent air from leaking out.

Weatherstripping will prevent warm air in the building from escaping into the space between the windows.

This will prevent air from passing through the seam between the sections.

These prevented excessive air from being sucked into the low pressure area under the car and dissipating the ground effect.