DIY Water Powered Calculator

Instead of purchasing an eco-friendly water powered calculator and tossing out your old one, only for it to slowly rot in a landfill, you could make your own.  It seems to be a whole lot more eco-friendly to convert your current items into something eco-friendly rather than replacing the gadgets you already own.  Thanks to a tutorial, you could easily make your own earth friendly calculator…

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http://www.sevafrica.com/modules/techno/article.php?techno_newsid=84

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