Why are manhole covers round?

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• Answer #1

  I guess historically, the round ones were designed so that they could be rolled for easier manoeuvrability.

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• Answer #2

  Because it prevents corners from snagging on wheels or people's shoes and causing nasty accidents

• Answer #3

  It would be more mean if they were made so that they couldn't escape from them.

• Answer #4

  Well the disk shaped ones are, but the rectangular and square ones aren't.

• Answer #5

  fat people? That's a little mean, don't you think?

• Answer #6

  so fat people can escape through them hahahaaaaaaaaa

• Answer #7

  hahaha niiiiice one

• Answer #8

  lol

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