Manhole covers are almost always round and geometry helps explain why they don't fall through their own opening

Original: Tampas de bueiro quase sempre são redondas e a geometria ajuda a entender por que elas não caem pelo próprio vão

Catraca Livre ·
Em Português & Español Brazil

Why are manhole covers round? Understand how geometry prevents the piece from falling through the opening and facilitates transport and fitting. The post Manhole covers are almost always round and geometry helps explain why they don't fall through their own opening appeared first on Catraca Livre.

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