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 Compressor discharges air, Construction ⚠ Oxygen balloon ⚠ Inflating a mattress ⚠ Suction action of air ⚠ Balloon descent ⚠ Rope torsion ⚠ Fighting the fire with blacksmith furs ⚠ Balloon inflating ⚠ Blower, air broom ⚠ Air release with a loud whistling creak, ⚠ Wind tunnel ventilation ⚠ Small compressor blowing air ⚠ ★★★★★