The work of oxygen equipment, the release of oxygen: Listen & Download The work of oxygen equipment, the release of .mp3 Error! Change your browser, please! ⇓ Download Helium balloon ⚠ Truck Air Brakes ⚠ Inflating a mattress ⚠ Oxygen balloon ⚠ Suction action of air ⚠ Fighting the fire with blacksmith furs ⚠ Air release with a loud whistling creak, ⚠ Steam ⚠ Construction, compressor discharges air ⚠ Balloon inflating ⚠ Air pressure ⚠ Balloon descent ⚠ ★★★★★