An American worker made a mistake and used a 36-centimeter-thick drill bit to puncture the lake, cau

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How terrifying is absolute zero at -273.15 degrees? Time and space will become meaningless.

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[MAD]Simon is so amazing in <Gurren Lagann>

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A lock with hidden secrets

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Gear latch process principle

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The Versatile Excavator

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Welding skills will be learned at a glance

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A man's speed bump

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The wisdom of the working people is truly mind-blowing!

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[Tengen Toppa Gurren-Lagann MAD] Epic! All I Can Do ！！！_1

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Super cool mechanical series of speed bumps! 7.18

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Geothermal self-leveling technology

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Learn skills while lying down

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Let's Feel the Exteme Epicness | Tengen Toppa Gurren-Lagann AMV_3

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I made my own shredder.

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[Exploring the Mystery] Some boys’ “femininity” may be caused by genes!

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

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[Tianyuan Breakthrough/Shadow of the Sun] My drill is the drill that wants to break through the sky!

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