Pergunta de entrevista da empresa HSBC

Why is a manhole cover shaped in a circle?

Respostas da entrevista

Sigiloso

17 de abr. de 2015

Because we can fit it any which way. No necessity to orient it. And it offers the largest surface area.

Sigiloso

24 de abr. de 2015

No corners, so there'z no need to align while closing it.

Sigiloso

18 de jan. de 2020

So that the cover wont fall into the manhole