Congratulations—you’ve invented the bullet!

The Power of Science

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The foreigner's giant plow tractor actually has a cab from the last century!

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As long as you use the right method, work won't be that tiring.

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Car Disassembly Video

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The Great Wall version of the China Pavilion! The original Plants vs. Zombies with Chinese elements!

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Trivia: The probability of death from one bullet is the same as the survival of five

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I advise you to quit porn (enlarging testicles)

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

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

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5000 different bullets! Challenge the resurrection of the newspaper-reading zombie

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[DIY] Making paper bullets after paper gun

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Speed bump!! Amazing machinery~

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Introduction to Traditional Group Farming Culture in Africa

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Super cool mechanical series of speed bumps!

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Film editing | Take the bullet with bare hand

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The ultimate enjoyment of pressing bullets

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