Now, this is useful info.  Tks much Georgios!

-------------- Original message --------------
From: "Georgios A. Stylianides, PhD" <gstylia@YAHOO.COM>

> Here is what I came up with. Enjoy!
> Visit (Large file 1.4MB):
>
> http://www.esu.edu/~gstylia/vw/WaterPipes1s.pdf
>
> Geo
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> ________________________________________________________________________________
> ____
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