Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Lowers forks, Forklift raises ⚠ Electric generator (hum) ⚠ Electric industrial motor ⚠ Postal sorting line ⚠ Newspaper press ⚠ Working machine engine ⚠ General noise, Factory work ⚠ Canning machine ⚠ Heidelberian sorting printer ⚠ Room noise, Glass bottles on a conveyor line ⚠ Laser welding ⚠ Car factory ⚠ ★★★★★