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Computer Science 15 Online
OpenStudy (anonymous):

How does adding a large brick of concrete in the tank of a toilet help the water in your toilet not be wasted that much?

OpenStudy (pottersheep):

I found this thread from google about it http://message.snopes.com/showthread.php?t=60467 Not exactly a computer science question though :P

OpenStudy (anonymous):

helps the water usage be lower

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