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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A printing press from the Sacramento History Museum

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Digital pickled vegetables: one is better than ten.

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Facts have shown that charging in without being prepared leads to nothing…

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Why is there always a worker crouching in the most dangerous spot next to the piling rig?

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An excavator can dig 300 tons in a single scoop—so why don’t we keep building even bigger ones? #Sci

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Wire is obviously very stiff, so why does it snap after just a few bends?

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Speed Bump Series: Deep Cleaning Special #DrivingHappily

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A fellow enthusiast from Anhui sent a piece of DC53 tool steel, asking Master Yu to forge a slicing

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Why is it so hard to drive a walking tractor?

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Super cool mechanical series!

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Skilled Worker of the “Men’s Speed Bump”

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A one-minute video with four or five violations, including serious rule-breaking.

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The “Speed Bump Man”—a machine no one can resist

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Recommended movie: “I, Robot”

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[Bearing Distributor] My latest creation—come and take a quick look!

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Can’t the meat-mincing machine work without human heads?

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Why rush in instead of digging out?

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Thousands of wires have been severed—how will the master reconnect them?

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The AI team was utterly defeated

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