It turns out that we are all lovely ordinary people.

What if the exam was like this………

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Why can loose sand be made into sand sculptures after mixing with water?

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

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When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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

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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 do we need to cut a slant on the tree when felling it?

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Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

tanmi

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

haoqiwanhuatong

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

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Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

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Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

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Stealth Attack

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

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She comes from a distant Warcraft planet

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