Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Electric industrial motor ⚠ Forklift approaching ⚠ Room noise, Glass bottles on a conveyor line ⚠ Newspaper press ⚠ Lathe turning on, work, stop ⚠ Hydraulic pump ⚠ Electric welding ⚠ Forklift in motion ⚠ Spinning machine ⚠ Crusher ⚠ Machine engine gaining momentum ⚠ Hydraulic activator ⚠ ★★★★★