# Manholes round riddle

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** Circular** covers don’t need to be rotated or aligned when placing them on the opening . but if you take an example of triangular covers you have got to slightly align in a particular way to fit in the opening.

2) **Circular** covers never fall inside their opening..but where as if taken an example of square covers , it could fall inside if it is inserted diagonally.

### Your Answer

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