>>>>So, why are manhole covers round?
>>>
>>>To prevent the manhole cover from falling into the manhole.
>>>
>>>Einar
>>
>>And because manholes are round.
>
>In San Jose, California, we have an upscale shopping area called Santana Row. The manhole covers are made in India. Imagine outsourcing manhole covers to India?

I wouldn't want to have to pay the transportation costs.