Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Forklift raises, lowers forks ⚠ Start, jamming, work, Generator ⚠ Lithographic press ⚠ Electric generator (hum) ⚠ Air compressor, air blow ⚠ Stamping press ⚠ Power station turbine ⚠ Electric welding ⚠ Car factory ⚠ Low frequency running engine ⚠ Forklift in motion ⚠ Bottling plant ⚠ ★★★★★