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 The release of, The work of oxygen equipment ⚠ Cylinder pressure, Air compressor, air bleed ⚠ Air flow ⚠ Air compressor operation ⚠ Rope torsion ⚠ Small compressor blowing air ⚠ Air is blown through a glass tube ⚠ Air is bleeding through a hose ⚠ Mask breathing ⚠ Balloon inflating ⚠ Balloon descent ⚠ Soccer ball ⚠ ★★★★★
