If you collect 1 gram of each of the 118 elements in the periodic table, how much would it cost?

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

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How to make a Poo-Po-Po boat for Sosuke and Ponyo?

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

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Human Speed Bump – Mechanical ~3.26

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Those super cool mechanical series of speed bumps~

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Convex lens experiment

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

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Incredible seed growth process!!

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Let's take a look at those satisfying little moments together!!

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A few useful life hacks~

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Decompression video of the skilled worker series!

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I advise you to quit porn (enlarging testicles)

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20 common mechanical transmission structures, I'm exhausted

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Spoon/fork: If I had known this was a bad factory

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Major吐槽 of "Lost in the Stars"! Don't believe anything about diving in this movie!!!

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Decompression video of the workers series!

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How strong is the force of regular CPR? I feel like my ribs are going to break in the next second.

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Interviewing the first candidate caught cheating in the college entrance examination in 2020, I neve

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