The new master is testing the knife—what salary do you think would be appropriate?

It’s the old pro who sticks to the rules—boss is stunned on the spot!

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How a Car Engine Works

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Super cool mechanical series of speed bumps!

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The stress-relieving workplace at a speed bump installation site~

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A handmade pen can make you millions!

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The follow-up on well drilling at the mountaintop is here

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Men's speed bumps – the mechanical series~

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

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Technology changes life.

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Watch How an Excavator Works!

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Green Arrow suddenly took out a kryptonite arrow, and Supergirl was shocked! ! x Earth Crisis

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[Wood Art Week] Fans sent semi-finished resin products and asked me to help them process them

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Fans sent cracked wood with "hidden murderous aura" inside

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Speed Bump for Boys and Girls: The Skilled Workers Series!!

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What if screws are rusted and can't be removed? Here's the solution—let's learn it together!

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“What are guys doing when they don’t reply to your messages?”

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Really can't get tired of watching it, Supergirl is tied into a zongzi

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Today's stress-relief video!! An astonishing workplace scene~

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Electric Welding Techniques

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Super cool mechanical series of speed bumps!

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