Why Are Most Manholes in Singapore Square but Most manholes in America are Round?

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Why Are Most Manholes in Singapore Square but Most manholes in America are Round?

Have any of u ever realised the shape of the manholes we have in Singapore?and have u ever been to america or watched movies From america and seen their manholes are round?why is it like that?

2007-03-17 16:43:19 · 2 answers · asked by Anonymous in Education & Reference ➔ Primary & Secondary Education

2 answers

round manholes will not fall into the hole...
i do not know why singapore has square ones, though

2007-03-17 16:46:37 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Write an email to Public Works Department, they give rewards for money saving ideas.

2007-03-20 13:54:10 · answer #2 · answered by unnga 6 · 0⤊ 0⤋