Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Stop, work, Lathe turning on ⚠ Forklift truck moving away ⚠ Generator, start, jamming, work ⚠ Electric industrial motor ⚠ Spinning machine ⚠ Automatic folder ⚠ Dry cleaning ⚠ Stamping press ⚠ Robotic assembly line ⚠ Forklift drives by ⚠ Small centrifuge ⚠ Spectrograph ⚠ ★★★★★