Why doesn't the belt fall off the convex pulley?

Is the ozone hole a hoax?

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

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Water will flow uphill

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The power of science

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Starting with just an iron chain, relying entirely on pulling throughout the whole process #Log Grap

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

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Harmonic Drive Reducer

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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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Candle Production Process

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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The Production Process of Cement Circular Pipes

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Let's follow Mechanical Punk to explore the irresistible charm of machinery!

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Craftsmanship Techniques

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Speed bumps!! A mechanical marvel men can't resist~

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20 common mechanical transmission structures, I'm exhausted

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

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I guarantee you've never heard these life hacks before

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Comparison of the size of tsunamis in history

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Super cool mechanical series of speed bumps!

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I advise you to quit porn (enlarging testicles)

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