A worker shuts off a wood chipper, which spins down during a period of about three minutes and disappears among sounds of raking, birds, passing traffic, and a small airplane. Derived from file0423.wav (amplified and shortened), which was recorded 6/6/2009 using MAudio MicroTrack 24/96 digital audio recorder and Sony ECM-MS907 stereo microphone. Also uploaded to wikiGong.com.