4 ms·
>Also, the grip hole would not be guaranteed to be in the same alignment every time it is if it's in the center.
by something 17y ago
>Also, the grip hole would not be guaranteed to be in the same alignment every time
it is if it's in the center.
- biotech 17y agoIt is easier to replace a circular cover, since you don't have to worry about it's orientation. I suspect that this is the main reason to use a circular manhole cover over some other shape.
- sho 17y agoBut then it would have to be lifted straight up, which would require a lot of force. Are they really like this? Now you've piqued my curiousity, I'm going to look on the street!