The work of oxygen equipment, the release of oxygen: Listen & Download The release of, The work of oxygen equipment .mp3 Error! Change your browser, please! ⇓ Download Air flow ⚠ Air release with a loud whistling creak, ⚠ Helium balloon ⚠ Blower, air broom ⚠ Soccer ball ⚠ Wind tunnel ventilation ⚠ Air pressure ⚠ Suction action of air ⚠ Construction, compressor discharges air ⚠ Balloon inflating ⚠ Steam ⚠ Air compressor operation ⚠ ★★★★★