Air compressor operation: Listen & Download Air compressor operation .mp3 Error! Change your browser, please! ⇓ Download Wind tunnel ventilation ⚠ Soccer ball ⚠ Rope torsion ⚠ Truck Air Brakes ⚠ Mask breathing ⚠ Compressor discharges air, Construction ⚠ Fighting the fire with blacksmith furs ⚠ Cut through the air with a gas burner ⚠ Air is let through the regulator ⚠ Air compressor operation ⚠ Inflating a mattress ⚠ Helium balloon ⚠ ★★★★★