If air is escaping, then there must be quite a lot of it still left on board.

They also have a lot of joints from which air can escape.

Air should escape, followed by a stream of hot water under pressure.

There were two doors, with a wide space between them so that not too much warm air escaped.

Do you see any large opening in this room through which the air could escape.

As the air escaped, he and two other men were sucked through the hole.

Then there was a hiss as air escaped under pressure.

She had a voice like air slowly escaping from a balloon.

This hot air will eventually escape through the top vents to the outside.

Moving the valve to the middle position seals the line so no air can escape.