Robotic assembly line: Listen & Download Robotic assembly line .mp3 Error! Change your browser, please! ⇓ Download Lathe turning on, stop, work ⚠ Air compressor, air blow ⚠ Book press ⚠ Oil pump ⚠ Postal sorting line ⚠ Small centrifuge ⚠ Hydraulic activator ⚠ Conveyor belt, Conveyor ⚠ Brewing unit, fluid drilling ⚠ Electric generator (hum) ⚠ Electric welding ⚠ Air compressor turn on, turn off ⚠ ★★★★★