dimuwalakpriya98
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  • 01-05-2020
  • Chemistry
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Why do Man holes(road) build by use only circular type??

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Аноним Аноним
  • 01-05-2020

Answer: Manholes are usually round, primarily because roundness is the best shape to resist the compression of the earth; covers are round because they are easier to manufacture than square or rectangular shapes, they are easier to move by rolling, and they can't fall into the opening.

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