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Article #2519Re: Manhole covers - why circular?
From: Jack Webb
Date: Wed, 06 Jan 1993 07:09
Date: Wed, 06 Jan 1993 07:09
33 lines
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1469 bytes
> Robert Weinberg writes: > > Msg-ID: <1993Jan5.173440.10482@informix.com> > Posted: 5 Jan 93 17:34:40 GMT > > Org. : Informix Software, Inc. > > 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? > > What other shapes would also satisfy the condition? > > +================================+================================+ > | Rob Weinberg | Workstation publications tech | > | Email : robertw@informix.com | Graphic designer | > | Voice : 415-926-6754 | <imagine your ad here> | > +================================+================================+ If a manhole cover is flipped, it will not fall down the hole... an oval will, so will a square, depending on the angle. *j* :) -- WE SAIL TONIGHT FOR SINGAPORE - WE'RE ALL AS MAD AS HATTERS HERE!! *******************Jack_Webb@mindlink.bc.ca*********************** ****VANCOUVER, BRITISH COLUMBIA, CANADA...HOME OF THE NEUROTIC****
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Newsgroups: rec.puzzles Path: arc1-ca.pugleaf.net!sparky!uunet!think.com!ames!agate!rsoft!mindlink!a3909 From: Jack_Webb@mindlink.bc.ca (Jack Webb) Subject: Re: Manhole covers - why circular? Organization: MIND LINK! - British Columbia, Canada Date: Wed, 6 Jan 1993 07:09:02 GMT Message-ID: <19278@mindlink.bc.ca> Sender: news@deep.rsoft.bc.ca (Usenet) Lines: 33