Cleaning the foam pool at the playground may seem stress-relieving, but it's actually very hard work

Must-See for Keyboard Warriors | Understand Keyboard Warrior Terminology in One Video

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Car Disassembly Video

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Dry-stack stone wall technology

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This technology is simply~

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

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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 not use a high-pressure water gun to wash your car? #Science #Unzip #High-pressureWaterGun #CarW

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Minecraft: Some knowledge

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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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If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

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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 doesn't it hurt when a needle is stuck in my finger?

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[Goat] A shameless devil's advocate?

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Those irresistible machines~

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

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Nobita becomes a genius and designs an airship amusement park for Dora's birthday

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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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[Remix]Some shivering moments in amusement parks

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The roller coaster in Japan is so crazy

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