2006-09-19 11:11:01 · 8 answers · asked by anand t 1 in Health ➔ Other - Health
It's easier to maneuver than an angled lid such as a square or rectangle
2006-09-19 11:14:18 · answer #1 · answered by Anonymous · 0⤊ 0⤋
To avoid padestrians tripping of or get hurt by corners. Circular caps does not effects the tires of vehicle running on it
2006-09-19 15:11:12 · answer #2 · answered by satish5205 2 · 0⤊ 0⤋
Its the only shape that won't fall through the hole no matter which way you put it.
I have two better questions why is this in the Health section and who the hell is Kinsmed?
2006-09-19 11:22:54 · answer #3 · answered by Anonymous · 0⤊ 0⤋
No it is not true.
there are manohole lids
which has-square & rectangular
shapes.
Most of the times, the
asthetic looks are determined
by the engineer and a lid
is recommented, to suit.
2006-09-19 13:24:26 · answer #4 · answered by pianist 5 · 0⤊ 0⤋
It is the only shape that prevents the lid from falling into the hole.
2006-09-19 11:18:20 · answer #5 · answered by kinsmed 5 · 1⤊ 0⤋
Not true.
They are:
Square.
Rectangular.
Circular.
It depends on the shape of the opening.
Most are circular, because of the use of pipes.
2006-09-19 11:16:19 · answer #6 · answered by minootoo 7 · 0⤊ 0⤋
How is that a health question????
2006-09-19 11:20:00 · answer #7 · answered by ? 6 · 0⤊ 0⤋
KINSMED IS THE CORRECT PERSON...
2006-09-19 11:19:21 · answer #8 · answered by Anonymous · 0⤊ 0⤋