[TowerTalk] Running coax under concrete walkway?

[bob finger]

Yep compressed air is  wonderful stuff.  Cleans out lots of things while 
making others very dirty indeed.  For those of you who are common sense 
challenged a plunger works much better on those nasty plumbing clogs.  
The note below provided me with a good laugh.  thanks.  73 bob de w9ge


> not  knowing he pluged the  pipe with dirt 
>and i used   co2 at  250 lbs and  messed up the  shop ceiling with 
>sand blasted dirt
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