Truck Air Brakes: Listen & Download Truck Air Brakes .mp3 Error! Change your browser, please! ⇓ Download Air compressor operation ⚠ Air is blown through a glass tube ⚠ Wind tunnel ventilation ⚠ Rope torsion ⚠ A stream of air breaks out of a metal pipe ⚠ Suction action of air ⚠ Air is bleeding through a hose ⚠ Air pressure ⚠ Soccer ball ⚠ Inflating a mattress ⚠ Air release with a loud whistling creak, ⚠ Mask breathing ⚠ ★★★★★