How valuable is the Olympic gold medal?

Korean dramas are really bold: sister-brother love! Crazy French kiss. So exciting.

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The teasing has begun!

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"Automation" Achieved Through a Simple Physical Phenomenon

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Why don’t civilian aircraft spray flames? The working principle of turbofan jet engines

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Super cool mechanical series of speed bumps! 7.18

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The irresistible mechanical series of speed bumps~

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Black Silk Massage 3

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The Fertilization Process of Sperm and Egg

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

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The Great Wall version of the China Pavilion! The original Plants vs. Zombies with Chinese elements!

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See how the girl with 29 stones under her eyes was treated

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

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Speed bump!! Amazing machinery~

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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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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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Introduction to Traditional Group Farming Culture in Africa

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

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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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