And, what's really neat. I have a non-ending supply. There is a
plant about 1-1/2 miles from here that makes it.
Ron KA4INM Youvan wrote:
> > Sonotube looks like an over grown paper towel tube and comes in various
> > lengths and diameters. It is used as a concrete form.
> Sonotube is designed to be a concrete form, it has a heavy coating of
> paraffin (WAX) on it's inside. You rip it off when the concrete is set,
> it comes off in a spiral fashion.
> 73 (= Best Regards) de: (= this is) Ron email@example.com
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