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File:Trickling filter bed 2 w.JPG

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English: Sewage treatment trickling filter bed using plastic media – small rural treatment plant at Beddgelert sewage treatment works, Gwynedd, Wales, UK.
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Own work (taken by user Velela with a Pentax Optio555 digital camera. 1/50sec @ f2.8)

English: Transferred from en.wikipedia.org [1]: 2005-01-16 21:23 . . Velela . . 1296x972 (680941 bytes)
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attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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Date/TimeThumbnailDimensionsUserComment
current08:37, 1 April 2006Thumbnail for version as of 08:37, 1 April 20061,296 × 972 (665 KB)Maksim (talk | contribs)La bildo estas kopiita de wikipedia:en. La originala priskribo estas: '''Sewage Treatment trickling filter bed''' - small rural treatment plant '''Author''': User:Velela. <br> '''Location''': Beddgelert sewage treatment works <br> '''Source''': P

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