Signal for lunch at the factory: Listen & Download Signal for lunch at the factory .mp3 Error! Change your browser, please! ⇓ Download Electric welding ⚠ Circular knitting machine ⚠ Hydraulic machine up ⚠ Dry cleaning ⚠ Laser welding ⚠ Breakdown press ⚠ Work in a warehouse, loaders, general noise ⚠ Factory work, general noise ⚠ Stop, Lathe turning on, work ⚠ Box making machine ⚠ Spinning machine ⚠ Oil pump ⚠ ★★★★★