Helium balloon: Listen & Download Helium balloon .mp3 Error! Change your browser, please! ⇓ Download Oxygen balloon ⚠ Air flow ⚠ Air is let through the regulator ⚠ The work of oxygen equipment, the release of ⚠ Suction action of air ⚠ Air compressor operation ⚠ Blower, air broom ⚠ Air compressor, cylinder pressure, air bleed ⚠ Helium balloon ⚠ Steam ⚠ Air release with a loud whistling creak, ⚠ Inflating a mattress ⚠ ★★★★★