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submitted 2 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 34 points 2 weeks ago (2 children)

TLDR/TLDW:

Pouring perfectly level concret is not easy, adjusting a pole on 4 threaded bars is easy
Realigning a slightly shifted pole because of a shifted base is easy with threaded bars
Airgap avoids rust and moisture buildup

[–] Bosht 8 points 2 weeks ago

Appreciate the effort to condense it down, thank you!

[–] [email protected] 4 points 2 weeks ago

I always thought it was to provide easier breakaway if they were hit by a car.