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What is a semiconductor? What are semiconductors used for? A 3-minute guide to understanding semicon
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Large-scale industrial gear manufacturing, if I hadn't seen it with my own eyes today, I wouldn't be
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Gear latch process principle
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The reflection affects the time a bit
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I admire the working people
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Can You Crush Atoms?
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Why rush in instead of digging out?
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Come and see the all-capable working people!
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"The most boring invention in life: an electronic hourglass?"
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Thanks, master, you really have a wild imagination! It's better to have a clever mind than just brut
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The wisdom of the working people is truly mind-blowing!
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Human Speed Bump Tool
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Take you on a tour of the factory assembly line.
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Electric Welding Techniques
What if screws are rusted and can't be removed? Here's the solution—let's learn it together!
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Super cool mechanical series of speed bumps! 7.18
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Technology changes life.
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Electric Welding Tips and Tricks
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Candle Production Process
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If time could go back, which year would you most like to go back to?
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