Passenger elevator, opening, closing doors: Listen & Download Passenger elevator, opening, closing doors .mp3 Error! Change your browser, please! ⇓ Download Throw an old bike to the ground ⚠ Lock gate open ⚠ Beep time ⚠ Closing a cigarette case, Opening ⚠ Escalator ⚠ Stir the liquid in a beaker, Chemistry ⚠ Rope fall ⚠ Cork in the sink, bath ⚠ Surge, Energy surge ⚠ Laboratory experiment ⚠ Hammering on construction debris ⚠ The noise of the room, electrical appliance ⚠ ★★★★★