Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Car factory ⚠ Forklift approaching ⚠ Welding transformer, turning on, working, ⚠ Power station turbine ⚠ Compressor industry ⚠ Grind metal on a grinding machine in a ⚠ Conveyor belt, Conveyor ⚠ Industrial exhaust fan ⚠ Air blow, Air compressor ⚠ Breakdown press ⚠ Automatic telephone switch ⚠ Electric industrial motor ⚠ ★★★★★