Why does a manhole have to be rounded?

Jul 08, 2020

Have you ever wondered why manhole covers are round? Maybe you don't pay that much attention to your environment, but if you do, perhaps this question has occurred to you. Yes, there are some advantages to having
a round manhole cover, but why is it not triangle or square? So the next time somebody asks you and if you want to give the correct answer, you can visit this link and get more information.

Why Are Manhole Covers Usually Round?
Tap on the pic to find out.