Factory atmosphere, drone in a mine tunnel: Listen & Download Drone in a mine tunnel, Factory atmosphere .mp3 Error! Change your browser, please! ⇓ Download Glass bottles on a conveyor line, room noise ⚠ Working machine engine ⚠ Hydraulic machine up ⚠ Hydraulic down machine ⚠ Book press ⚠ Start, work, Generator, jamming ⚠ Lowers forks, Forklift raises ⚠ Stamping press ⚠ Electric welding ⚠ Factory work, general noise ⚠ Start, shutdown, run, Compressor ⚠ Bottling plant ⚠ ★★★★★