Inflating a mattress: Listen & Download Inflating a mattress .mp3 Error! Change your browser, please! ⇓ Download Soccer ball ⚠ Blower, air broom ⚠ Truck Air Brakes ⚠ Air compressor, air bleed, cylinder pressure ⚠ Rope torsion ⚠ Oxygen balloon ⚠ Inflating a mattress ⚠ Balloon inflating ⚠ Suction action of air ⚠ Air is let through the regulator ⚠ Air is blown through a glass tube ⚠ Air release with a loud whistling creak, ⚠ ★★★★★