Sound of my vacuum cleaner, with special brush for thick carpets (brush having small rollers which turn more or less quickly according to the handling of the handle); you will also hear the brush sometimes hitting small pieces of furniture. Non-stop recording, without faking. UCS Category: MACHAppl. Duration: 02:43.
Recording of the passage of a truck, with the Lom brand "Geofón" contact microphone. The microphone is on a lamppost. UCS Category: AMBTraf, SCIMisc. Duration: 00:25.