Why is the orca called the "street hustler of the ocean," and does it really never harm humans?

Police dog: Everyone should give a 10,000-word self-criticism today, and put it in my kennel before

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The teasing has begun!

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Human trafficker: No one told me that there are any players in this village!

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

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

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

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

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

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

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

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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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Super cool mechanical series of speed bumps! 7.18

jixiepangke

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How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

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Speed bumps!! A mechanical marvel men can't resist~

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Zhan Ying's second commentary on "The Immortal": The production team really put their heart into it!

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Collaboration | When Zhongji Biji Xie tries to compete with Shaohai Xie in being bad

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Let's take a look at those amazing work sites together~

jixiepangke

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Introduction to Tequila

yaki1

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Relaxing video: Skilled workers at a satisfying job site~

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The Return of the Handsome Guy

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