My Wife Is From a Thousand Years Ago - Ch. 368

Dex-chan lover
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Apr 26, 2018
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Thank u always for ur great work...
^^...

Once a year cleaning season, the hectic day/s...
XD...
 
Dex-chan lover
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For those wondering why the manhole covers are round, it's because they have constant width.

This prevents the covers from falling inside the manhole, which could happen if it was a square, since the sides are smaller than the diagonal, for instance.

Which leads to a fun fact: any shape with constant width could be used as the shape of a manhole, for this purpose.
 
Double-page supporter
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Jul 28, 2023
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he's kinda right tho, I've never asked why they weren't square...
 
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Within 4 days I binged this and it honestly became one of my favorite reads of all time. This story is starting to wrap up soon and honestly I wish there was even more of this world to enjoy!
 

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