Why are ropes twisted together in a spiral? This not only disperses stress but also makes the rope m

You definitely didn’t understand this English text from sophomore year.

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Unboxing Collection

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Man speed bump!! Amazing machinery~

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Immersive Rat Food Storage: If You Can Watch It Without Closing Your Eyes, I’ll Admit Defeat

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Deep Cleaning of Speed Bumps: An Immersive Groundhog Wash!

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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The Mechanical Beauty of Speed Bumps

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