Why do you need a helmet when you're doing skeleton? #Science #Decompression #Skeleton #ExtremeSport

Water will flow uphill

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

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Super Spicy Extreme!!! Collection

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Why do we need to cut a slant on the tree when felling it?

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #

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Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

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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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How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

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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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Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

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Super Spicy Challenge Compilation!

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

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When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?

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When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

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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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I've learned a lot! I always thought sperm extraction involved watching porn movies for visual stimu

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

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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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They say diamonds are forever, but they can be burned and broken.

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