The strange "Euler disk" is spinning faster and faster on the mirror. Where does the energy come fro

Throwing objects from high places is very dangerous. Why doesn't a drop of water falling from a heig

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

haoqiwanhuatong

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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

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Let's take a look at the amazing workplace of skilled workers 9.2

jixiepangke

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Skilled workers at a satisfying job site~

jixiepangke

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Why do we need to stretch the syrup repeatedly when making handmade candies? This step is actually c

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Why can the boomerang fly back

123zhifeijiV

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Today's stress-relieving video: an awesome mechanical series~

jixiepangke

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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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Man speed bump!! A satisfying job site~

jixiepangke

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

haoqiwanhuatong

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I advise you to quit porn (enlarging testicles)

xuetudexin-

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Decompression video of the workers series!

jixiepangke

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Let's take a look at the satisfying workplace of skilled workers!

jixiepangke

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The mysterious man setting up a street stall

ojiajiajia

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When MC upgrades, it becomes more scientific, and the maximum level is beyond my imagination # Minec

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A group of bees sit in a "classroom" to study. Is that so cool? In fact, they are trained little ins

YouTubejingcaishipin-

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Director!

daxiains

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The incredible "Diamond Mud" - stick it on the metal gap and a magical phenomenon will happen!

lengkepu

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When an earthquake occurs, which is safer—the lower floors or the higher floors? Let's start by exam

lengkepu

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