A round cover wont fall in, but a square or rectangular can. | Hacker News

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		jcd000 on Feb 1, 2024 \| parent \| context \| favorite \| on: Testing how hard it is to cheat with ChatGPT in in... A round cover wont fall in, but a square or rectangular can.

cityofdelusion on Feb 1, 2024 [–]

I find it more likely they are round because piping is round. I doubt they were engineered in any way and it was just a pragmatic solution to capping off a tee.

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