[sci.electronics] Why are manholes round?

commgrp@silver.bacs.indiana.edu (07/28/88)

to sci.electronics and rec.humor:

>From article <303@btree.uucp>, by rfarris@btree.uucp (rick farris):
>
>> Yes, and why the heck are manholes round?
>
>It is the only shape that prevents the lid from being able to fall into
>the manhole.
>-- 
> William C. DenBesten
> denbeste@bgsu.edu

Why are mail slots are always horizontal?

Because if they were vertical, they'd be femail slots!

--

Frank     W9MKV
reid@gold.bacs.indiana.edu
"What can you do with a chocolate-covered manhole cover?" -- Larry Niven