Grind metal on a grinding machine in a factory: Listen & Download Grind metal on a grinding machine in a .mp3 Error! Change your browser, please! ⇓ Download Start, shutdown, Compressor, run ⚠ Electric generator (hum) ⚠ Gas welding ⚠ Spinning machine ⚠ Forklift truck moving away ⚠ Compressor industry ⚠ Power Plant Water Pumps ⚠ Steam pump ⚠ Printing press ⚠ Factory Atmosphere ⚠ Stamping press ⚠ Canning machine ⚠ ★★★★★