Friday, 6 July 2012

Daily Happenings

Why do red ambassadors consume less petrol than white?
Why do manhole covers are generally round?
Why do bucket is always of the shape of invert frustum rather than a frustum or a cylinder?

1 comment:

  1. a) They are less in number
    b) If they were any other shape, the cover had a possibility of getting inside the manhole. For example, the square cover would go diagonally.
    c) They can be stacked thus can be transported

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