Oxygen balloon: Listen & Download Oxygen balloon .mp3 Error! Change your browser, please! ⇓ Download Compressor discharges air, Construction ⚠ Mask breathing ⚠ Air release with a loud whistling creak, ⚠ Small compressor blowing air ⚠ Oxygen balloon ⚠ Balloon inflating ⚠ Steam ⚠ Air pressure ⚠ Suction action of air ⚠ Soccer ball ⚠ Wind tunnel ventilation ⚠ Air is bleeding through a hose ⚠ ★★★★★