Welding transformer, turning on, working, turning off: Listen & Download Turning on, working,, Welding transformer .mp3 Error! Change your browser, please! ⇓ Download Lithographic press ⚠ Notches, print imprinted in cardboard ⚠ Drone in a mine tunnel, Factory atmosphere ⚠ Dry cleaning ⚠ Circular knitting machine ⚠ Automatic telephone switch ⚠ Factory Atmosphere ⚠ Newspaper press ⚠ Steam pump ⚠ Canning machine ⚠ Electric welding ⚠ Printing press ⚠ ★★★★★