"Why are sewer caps round?"

Question

Anonimo · Accepted Answer

A sewer cap is round because it is the only shape that, when removing the cap, cannot fall into the hole.

Anonimo · Answer

As long as you can answer their questions adequately, you'll be fine. I answered the sewer cap question with "the caps are heavy and any other shape would be hard to roll away when access is needed to the sewer. Also, a shape with corners could warp and potentially damage tires", etc.

Anonimo · Answer

This is not always the case.In China the sewer cap could be either round and square.But square one comes in small size.

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