Rope torsion: Listen & Download Rope torsion .mp3 Error! Change your browser, please! ⇓ Download Compressor discharges air, Construction ⚠ Wind tunnel ventilation ⚠ Fighting the fire with blacksmith furs ⚠ Air compressor operation ⚠ A stream of air breaks out of a metal pipe ⚠ Rope torsion ⚠ Air release with a loud whistling creak, ⚠ Air pressure ⚠ Balloon inflating ⚠ Steam ⚠ Soccer ball ⚠ Suction action of air ⚠ ★★★★★