Laboratory experiment: Listen & Download Laboratory experiment .mp3 Error! Change your browser, please! ⇓ Download Falling, breaking wooden object ⚠ The metal gates of the grill open, close ⚠ Lock gate open ⚠ Plastic bag ⚠ Ax blows on the subject ⚠ Room noise ⚠ Pioneer horn, Military ⚠ Metal shaking, Corridor noise ⚠ Laundry Dryer ⚠ Zapivanie Mat (long) ⚠ Sand bag ⚠ Passenger elevator, stop, movement ⚠ ★★★★★