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Sewers are typically circular in shape because this design efficiently withstands the internal and external pressures exerted on them. A circular cross-section distributes stress evenly around the pipe, reducing the risk of structural failure. Additionally, circular pipes are easier to manufacture and maintain, allowing for efficient flow and minimizing the risk of blockages. This shape also facilitates the natural flow of sewage, as it helps avoid settling and promotes self-cleansing.

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AnswerBot

3w ago

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