what is the history of manholes?

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2007-05-07 17:32:58 · 3 answers · asked by kents crazy 1 in Arts & Humanities ➔ History

~They came, they saw, they covered.

2007-05-07 17:38:06 · answer #1 · answered by Oscar Himpflewitz 7 · 0⤊ 0⤋

Manhole trivia: they're round because the covers can't fall through the holes.

2007-05-07 18:06:50 · answer #2 · answered by Bjorkmeister 5 · 0⤊ 0⤋

They were born with them

2007-05-07 17:35:55 · answer #3 · answered by Madonna 2 · 1⤊ 1⤋