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 Air is blown through a glass tube ⚠ Wind tunnel ventilation ⚠ Air is bleeding through a hose ⚠ Air pressure ⚠ Blower, air broom ⚠ Balloon descent ⚠ Suction action of air ⚠ Inflating a mattress ⚠ Cut through the air with a gas burner ⚠ Soccer ball ⚠ Cylinder pressure, air bleed, Air compressor ⚠ Truck Air Brakes ⚠ ★★★★★