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Article #2529Re: Manhole covers - why circular?
From: Geoff Hazel
Date: Wed, 06 Jan 1993 17:30
Date: Wed, 06 Jan 1993 17:30
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1363 bytes
In article <C0EHKG.AL5@watdragon.uwaterloo.ca> deghare@daisy.uwaterloo.ca (Dave Hare) writes:
>In article <1993Jan5.173440.10482@informix.com> robertw@informix.com (Robert Weinberg) writes:
>>Manhole covers are manufactured in circular shape, rather than oval or square, to
>>satisfy one paramount condition.
>>
>>What is the condition, and why does a circular shape satisfy it?
>
>Actually, access covers are circular for many reasons, and I often use this
>as a game with kids to get them to stretch their brains.
>
>I don't know which reason you have in mind, but here are some:
>
> - It is orientation free: it will fit in any position
^^^^^^^^^^^^^^^^^
In fact, I read that they were round in order to minimize the number
of decisions the sewer workers had to make.
--
Geoff Hazel ghazel@eskimo.com
Edmark Corporation 206-556-8445
Box 3218, Redmond, WA "the syntax is painful"
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Newsgroups: rec.puzzles Path: arc1-ca.pugleaf.net!sparky!uunet!nwnexus!jhgrud!eskimo!ghazel From: ghazel@eskimo.com (Geoff Hazel) Subject: Re: Manhole covers - why circular? Message-ID: <1993Jan6.173005.16045@eskimo.com> Organization: >>> Eskimo North (206)-FOR-EVER <<< References: <1993Jan5.173440.10482@informix.com> <C0EHKG.AL5@watdragon.uwaterloo.ca> Date: Wed, 6 Jan 1993 17:30:05 GMT Lines: 28