What is "pneumatic transmission"? It's launched like a cannonball! Do you know how it works?

A genius invention from 800 years ago! Why can lanterns roll freely without going out—what’s the und

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[Remix]Dubbers of four versions of Ice Bear|<We Bare Bears>

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The foreigner's giant plow tractor actually has a cab from the last century!

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Car Disassembly Video

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Why not turn off the water when repairing a pipe? This is called pressure plugging. #Science #Unzip

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Where do mosquitoes lay their eggs?

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

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Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

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The Ultimate Sense of Comfort and Aesthetic Beauty

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Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

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Can ice bullets really withstand the high temperature of gunpowder and become invisible after being

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Nezha Trivia

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Decompression video of the workers series!

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What kind of wisdom did the ancients have to design such a sophisticated mechanism?

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Car repair tips: temporary inflation, wire bundling to prevent punctures, DIY fenders, lubricating t

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Introduction to Tequila

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Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

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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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I advise you to quit porn (enlarging testicles)

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There is no such thing as a perfect alibi!

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