So Just Why *Are* Manhole Covers Round?

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Leo

As your father claimed they were easier to manufacture round, and that suggestion was the *only* reason begs the question *why* are they easier to manufacture that way?

Any idea?

the simple answer is round hole square peg.....
other answers ease of replacing in hole ..equal size means no manouvering to match hole .it simply drops in.
there are many answers to this question.......

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