Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Dry cleaning ⚠ Circular knitting machine ⚠ Spectrograph ⚠ Forklift approaching ⚠ Breakdown press ⚠ Small centrifuge ⚠ Off, Forklift, on, standby ⚠ Electric generator (hum) ⚠ Electric welding ⚠ Bottling plant ⚠ Print imprinted in cardboard, Notches ⚠ Factory atmosphere, drone in a mine tunnel ⚠ ★★★★★