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Extra: The house on the street is just a shell?
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Why do we need to cut a slant on the tree when felling it?
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What will happen to these skyscrapers in the future? Let’s take a look at the imaginations of people
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Why can loose sand be made into sand sculptures after mixing with water?
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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 is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge
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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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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E
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A very special Indian movie that makes you want to watch it over and over again.
Why don’t civilian aircraft spray flames? The working principle of turbofan jet engines
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Are the videos we watched fake? Has wild sex education been fooling us all these years?
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Super cool mechanical series of speed bumps!
How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge
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Introduction to Traditional Group Farming Culture in Africa
Super cool mechanical series of speed bumps! 7.18
45 Views
When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?
27 Views
Why doesn't it hurt when a needle is stuck in my finger?
50 Views
Crocodile: Humans are even worse than us!
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Mini version of the whole process of building a house
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A 9-year-old prodigy has already stunned the world! What were you doing at age 9?
48 Views