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How a Biolayer works ANIMATION!

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Uploaded by on Dec 12, 2009

Since I made the first "How a Biosand Filter Works", there has been a lot of questions on the biolayer. This quick animation will go into more detail on the biolayer and its functions and mechanisms.

To see the first video: http://www.youtube.com/watch?v=YaOOmaGzx0g

Animation created by Globalize This: www.globalize-this.org

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