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Tag - Water-powered calculator

Piyush | Dec 27 2007
calculator
This water powered calculator requires no batteries and no electricity just pour some water into the rear power pack, insert the stopper panel and the electrolytes in the water will generate all the power needed to function. Unlike conventional..
Irani | May 29 2006
With increasing concerns about the soaring lndfills and the present trend for findng for alternative source of energy, here takes birth a calculator that is powered by water. The calculator has a built-in water reservoir, which once filled, can serve...

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