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 Inflating a mattress ⚠ Air is blown through a glass tube ⚠ Air broom, Blower ⚠ Truck Air Brakes ⚠ Rope torsion ⚠ Suction action of air ⚠ Steam ⚠ A stream of air breaks out of a metal pipe ⚠ Fighting the fire with blacksmith furs ⚠ Balloon inflating ⚠ Air compressor operation ⚠ Air release with a loud whistling creak, ⚠ ★★★★★