The truck driver had air brakes and used them, but not soon enough.
Larger vehicles often use air brakes and the pressure may be used to drive other systems.
With the air brakes disabled, he dropped to the ground like a rock.
Air brakes are usually only used to bring the train to a complete stop at low speeds.
With a final sigh of air brakes, the vehicle stopped.
Then he folded his air brakes and started gaining again.
"They didn't have many questions on air brakes," he complained.
Therefore it is always used in conjunction with the regular air brake.
Around them, everything seemed as it once did: air brakes exhaled.
However he never considered fitting air brakes to the tractor.
