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The slowest aircraft in the world, F1D, has a thin layer of material, but can fly in the sky for 40
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[Science] Amazing science magical toys to astonish you
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I was so excited to have a big meal on my first flight!
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Hinata
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"Mathematics, the laws God must follow."
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Complaints about Advanced mathematics
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Mathematical Genius
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Stickman VS Math
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Wow! That's awesome!
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Let's take a look at those fascinating machines together
Unboxing video!! โ The Mechanical Series~
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Today's stress-relief video!! Worker series ~2.10
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When you get burned, don't go to the hospital right away.
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The amazing workplace of skilled workers!!
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Today's stress-relieving video: an astonishing workplace scene~
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"Nichijou" Sakamoto: It's not me! It's none of my business!
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Speed Bump Workers Series 9.18
The incredible "two-way bolt" will not loosen for a hundred years if you twist it left or right. Do
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What is "porcelain mending"? Put a copper nail in the crack and hit it, and an interesting phenomeno
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Mercury, the natural nemesis of gold, when mercury is dropped onto gold foil, an interesting phenome