Can you find underground water sources by holding two copper wires?

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

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Breaking news! Erlengzi has returned from the city!

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Playing and splashing around in the stream.

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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

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Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

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

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ar

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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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A Niu's little shop is now open!

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How sexy is sexy lingerie?

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A male student stepped in to stop school bullying, only to be verbally abused and slandered by xxn,

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Which little Taoist priest is coming to catch me?

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

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Super cool mechanical series of speed bumps!

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