Thread: Random Pics
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Old 04-02-2019, 12:08 PM   #1570
Diaphone Jim
Junior Master Dwellar
 
Join Date: Sep 2007
Location: Northern California
Posts: 2,122
Swimming pools are supposed to have a hydrostatic relief valve that equalizes the water level inside and outside the pool.
If not, you can get a nice boat that floats up out of the ground (until it crumbles).
They used to make concrete boats. Boots too, I guess..
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