Air is blown through a glass tube: Listen & Download Air is blown through a glass tube .mp3 Error! Change your browser, please! ⇓ Download Soccer ball ⚠ Helium balloon ⚠ Air pressure ⚠ Truck Air Brakes ⚠ Air is blown through a glass tube ⚠ Balloon inflating ⚠ Air flow ⚠ The work of oxygen equipment, the release of ⚠ Fighting the fire with blacksmith furs ⚠ Rope torsion ⚠ Air is let through the regulator ⚠ Wind tunnel ventilation ⚠ ★★★★★