Opening, closing a cigarette case: Listen & Download Closing a cigarette case, Opening .mp3 Error! Change your browser, please! ⇓ Download Hammering on construction debris ⚠ Turn on the laser sword ⚠ Beep time ⚠ Digital beep ⚠ Escalator ⚠ Bicycle rear wheel ratchet ⚠ Plastic bag ⚠ Laboratory experiment ⚠ Scanning goods at the supermarket checkout ⚠ Unscrewing and twisting the lid of the ⚠ Dragging an item on a concrete floor ⚠ Blow into the microphone ⚠ ★★★★★