In a Nutshell: Why are Manhole Covers Round?
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In a Nutshell: Why are Manhole Covers Round?

Have you ever wondered why manhole covers are always round? These circular metal covers play a crucial role in providing access to underground public utilities, such as sewer or drainage systems. But why are they always round? Let’s explore the mystery behind the shape of manhole covers. Key Takeaways: Manhole covers are round because the…