Rope torsion: Listen & Download Rope torsion .mp3 Error! Change your browser, please! ⇓ Download Air flow ⚠ Air compressor operation ⚠ Air release with a loud whistling creak, ⚠ Air pressure ⚠ Mask breathing ⚠ Helium balloon ⚠ Balloon descent ⚠ Cylinder pressure, Air compressor, air bleed ⚠ Rope torsion ⚠ Small compressor blowing air ⚠ Air is let through the regulator ⚠ Air is bleeding through a hose ⚠ ★★★★★