Air compressor operation: Listen & Download Air compressor operation .mp3 Error! Change your browser, please! ⇓ Download Oxygen balloon ⚠ Balloon inflating ⚠ Mask breathing ⚠ Steam ⚠ Air is blown through a glass tube ⚠ Wind tunnel ventilation ⚠ Soccer ball ⚠ Cylinder pressure, air bleed, Air compressor ⚠ Helium balloon ⚠ Rope torsion ⚠ Suction action of air ⚠ Small compressor blowing air ⚠ ★★★★★