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February 21, 2018, 05:10:39 PM
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: Why are manholes round?  ( 3364 )
« : May 15, 2007, 11:01:14 PM From Ria»

Why are manholes round?

Why are manholes round?

Note: This is a famous Microsoft question. Yet amusingly, the Microsoft campus uses square manholes.

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« #1 : May 23, 2007, 03:34:07 PM From Poonam»

Man holes are round since this will prevent the man hole lid from falling into the man hole (not even accidentaly).
If it were to be a square hole than if the lid is turned such that the one of the edge is along the diagonal of the man hole and the lid is perpendicular to the hole then the lid will easily fall into the hole.
« #2 : May 25, 2007, 11:31:04 PM From spazinvader»

3 reasons for that.
1)They will not fell into the hole as the diameter is same all over
2)They could be easily transported without use of any vehicle to some distance as it is round
3)The holes can be dug easily for round and it will be tougher to dig in other shapes

A 4th reason(funny reason)
Because the holes are round in shape 8)
« #3 : August 14, 2007, 08:15:13 PM From sudhu»

They are mare round because its the least cutting area required for a man to enter into the hole.
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