From: "Tony Ingenoso" 

You don't "filter it" - you exhaust it and block its entry points
(like painting concrete)

"Robert Comer"  wrote in message
news:42dd9706$1{at}w3.nls.net...
>
> Of course I know where it comes from and what it is and how you filter
it --
> it was a rhetorical question. (hence the ellipse rather than a question
> mark.)  You can't get it all.
>
> - Bob Comer

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