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Why are manhole covers round ?

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Why are manhole covers round ?

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Old 22 August 2005, 11:43 AM
  #1  
lightning101
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Default Why are manhole covers round ?

Just thought I'd ask seeing as some pikeys have nicked a whole estates worth for scrap metal value
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Old 22 August 2005, 11:44 AM
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I know, I know
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Old 22 August 2005, 11:45 AM
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I just googled it - apparently they are the hardest to fall down a hole
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Old 22 August 2005, 11:45 AM
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Tell us, tell us.
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Old 22 August 2005, 11:46 AM
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So they don't fall in or sumfink???
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Old 22 August 2005, 11:47 AM
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Cheapest to manufacture.


Christ, Tel
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Old 22 August 2005, 11:48 AM
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Originally Posted by lightning101
I just googled it - apparently they are the hardest to fall down a hole
Makes sense. There's no way a disc can fall through a round hole of a smaller diameter, whatever its orientation. Square ones could, though.
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Old 22 August 2005, 11:49 AM
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Originally Posted by Bubba po
Makes sense. There's no way a disc can fall through a round hole of a smaller diameter, whatever its orientation. Square ones could, though.

That's what I said.

I have my uses
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Old 22 August 2005, 11:49 AM
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You lot had to go & spoil my moment, didn't you?
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Old 22 August 2005, 12:11 PM
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Somebody has beem playing with the baby's shape box again haven't they?

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Old 22 August 2005, 12:43 PM
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Originally Posted by ALi-B
Somebody has beem playing with the baby's shape box again haven't they?

No ali - the travelling people have actually stolen them and sold them to a local scrap merchant HTH
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Old 22 August 2005, 12:53 PM
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so now anything can fall down them
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Old 22 August 2005, 12:55 PM
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And not just men with holes <nods>
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Old 22 August 2005, 12:56 PM
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So men of the cloth are at risk?
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Old 22 August 2005, 12:58 PM
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Would it be ironic, tragic or poetic justice if their caravan wheel went down the hole, thus triggering a chain of events that made the caravan explode, killing them all instantly?
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Old 22 August 2005, 01:00 PM
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It'd be bl**dy amusing, and most welcome.
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Old 22 August 2005, 01:02 PM
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It would be ironic if the cheapo replacement driveshaft on the caravan snapped because it had been made of inappropriate, manhole cover-grade iron.
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Old 22 August 2005, 01:03 PM
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but couldnt they use the manhole covers as wheels ?
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Old 22 August 2005, 01:04 PM
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Originally Posted by TelBoy
It would be ironic if the cheapo replacement driveshaft on the caravan snapped because it had been made of inappropriate, manhole cover-grade iron.
And they all died, Tel... don't forget that bit.
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Old 22 August 2005, 01:05 PM
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Do caravans have driveshafts, BTW? I can't see a linkage on my towbar.
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Old 22 August 2005, 01:05 PM
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Originally Posted by Bubba po
Would it be ironic, tragic or poetic justice if their caravan wheel went down the hole, thus triggering a chain of events that made the caravan explode, killing them all instantly?
I think it would be a tragi-comedy. Or a comi-tragedy. Or maybe a cagi-tromedy
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