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3 posted on 03/07/2024 1:24:31 PM PST by Rio
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To: Rio

The problem is the angle of repose is about 90 degrees in wet sand, then it dries out and changes to 30 degrees.


8 posted on 03/07/2024 1:49:03 PM PST by ProtectOurFreedom (“Occupy your mind with good thoughts or your enemy will fill them with bad ones.” ~ Thomas More)
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