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Thread: Why are manhole covers round?

  1. #1
    Join Date
    Jan 2008
    Posts
    28

    Default Why are manhole covers round?

    This was a real interview question at Microsoft, so it has a specific answer.

  2. #2
    Join Date
    Dec 2008
    Location
    Erode
    Posts
    1

    Default

    There r actually many reason for dis..1st s because of round shape dey don fall from its round openings.2nd s round shape don damper d tires of vehicles when d lid is removed..3rd s round holes r easy to dig

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