A white burst of compressed air shoots out and knocks him down.
A loud detonation marked the blowing off of the hatches by the compressed air in the hold.
compressed air or steam works the drill and the sledgehammer.
This project was successfully completed relying on compressed air alone to support the earth, no shield being used.
Its use was attended by possible danger, but compressed air was not.
A small reservoir of compressed air is used—charged by means of a hand pump—for providing the necessary pressure for injection.
We are in a bell of air, and it is this compressed air which stops the water from rising.
The torpedoes, too, are given their initial push which sends them out of their tube into the water by compressed air.
The compressed air pushes open a valve on the tire and enters it.
No powder is used in them, compressed air being the power that expels the shells.