Balloon descent: Listen & Download Balloon descent .mp3 Error! Change your browser, please! ⇓ Download A stream of air breaks out of a metal pipe ⚠ Air release with a loud whistling creak, ⚠ Suction action of air ⚠ Steam ⚠ Helium balloon ⚠ Mask breathing ⚠ Cut through the air with a gas burner ⚠ Balloon inflating ⚠ Oxygen balloon ⚠ Inflating a mattress ⚠ Balloon descent ⚠ The release of, The work of oxygen equipment ⚠ ★★★★★