Lab accident: Listen & Download Lab accident .mp3 Error! Change your browser, please! ⇓ Download Closing doors, Passenger elevator, opening ⚠ Electronic bird singing ⚠ Unscrewing and twisting the lid of the ⚠ Noise ⚠ Football bugle ⚠ Beep time ⚠ Walking big robot ⚠ Squatting the Mat (0.5 seconds) ⚠ Item falls on concrete ⚠ Beep, account notification tone ⚠ Ironed ⚠ Balloon bursts ⚠ ★★★★★