Pergunta de entrevista da empresa OSI Digital

why man holes are in round shape only?

Respostas da entrevista

Sigiloso

31 de out. de 2012

because holes are round in shape..!

2

Sigiloso

9 de fev. de 2016

A round manhole cover cannot fall through its circular opening, whereas a square manhole cover could fall in if it were inserted diagonally in the hole

2