Welding transformer, turning on, working, turning off: Listen & Download Turning on, working,, Welding transformer .mp3 Error! Change your browser, please! ⇓ Download Low frequency running engine ⚠ Lithographic press ⚠ Printing press ⚠ Brewing unit, mill for grinding grain ⚠ Steam pump ⚠ Electric generator (hum) ⚠ Forklift truck moving away ⚠ Lowers forks, Forklift raises ⚠ Industrial exhaust fan ⚠ Room noise, Glass bottles on a conveyor line ⚠ Canning machine ⚠ Oil pump ⚠ ★★★★★