How to drill a triangular hole? - Rong Mama talks about industrial science and mechanical structure

Speed bumps: a satisfying work site~

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What is CIPP pipe repair technology?

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

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Space Compression

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Real industrial food

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Unzip video of the irresistible mechanical series~

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How sexy is sexy lingerie?

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This is the first time I saw a hydraulic press fail.

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In case you haven't seen a scallop "walk", SpongeBob SquarePants is not kidding me

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Man's Speed Bump: Obsessive-compulsive Worker

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Happiness From Maltose. Stick Out Your Dentures!

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rich people really know how to play

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[SCIENCE]Use animation to show the mechanism of a ring box

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Why should we stay away from tiger butts in zoos? A mysterious liquid spurts out of tiger butts.

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Torturing Scene in "Princess Pearl" + Smirking Special Effect

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[Black Cat] The history of the Pokémon series

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Ten little-known facts about Ultraman Zero

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The first step after a burn is not to go to the hospital immediately!

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Little-known fact about Doraemon: Why does Shizuka love taking baths so much?

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[Binggui's strange commentary] The third episode of Orange Cat Industrial Armored Little Treasure: C

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