What is valuable often becomes waste

Even with an annual salary of 200,000, we still can't find anyone to hire.

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Can you drive an excavator?

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Elbow fabrication

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[Uncle Qiu Takes a Look] The video has been packaged—welcome to check it out!

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How a Car Engine Works

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Liebherr Excavator R9800

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Technology changes life.

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First-person experience operating an excavator... I actually kind of want to learn!

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Here Come the Tips for Using and Storing Hardware!

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Let’s check out some seriously awesome machines!

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The Spoon-Making Process

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The Irresistible Mechanics of “Men’s Speed Bumps”

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Super cool mechanical series featuring speed bumps! 11.27

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The more skills you have, the better.

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Cement Fence Manufacturing Process

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Mechanical Arm Peas

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Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

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A man's speed bump

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It's reportedly something that's been "choked off."

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Micro V-Engine

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