Why do manhole covers fly up? Could this be a valid excuse for being late to work?

India worker

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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The wisdom of the working people! Using friction and gravity to climb a tree. #Science #Unwind #Tree

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There is a beauty in blurred vision.

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What a case of seeming foolishness concealing great wisdom!

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During the meeting, the leader said that a slap in the face would not make a difference, and then co

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To every player who loves Sekiro.

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Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

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Why can firecrackers restore the shape of oil barrels? This is because of the instantaneous pressure

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You don't necessarily have to go to the ocean to surf—surf simulators and artificial wave pools can

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There are blisters on the wall. What caused this?

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Why has the alligator gar survived for hundreds of millions of years? #Science #FantasticBeasts #All

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Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

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Cars can encounter many troubles in icy and snowy weather. Which ones have you encountered?

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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Why can you stand on water without sinking? #Science #Relief #Physics #ExtremeSports

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Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

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Sorry, I couldn’t help but laugh [3]

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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How does a cow spend its life? #PopularScience #FantasticBeasts #Cow #IncreaseKnowledge

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