A quick科普: What’s a 3-position safety switch, aka a 3-position grip switch…?

I took on the challenge of building an automated labeling machine all by myself—and almost blew it!

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Dice CNC Machining

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The wisdom of the working people is unparalleled.

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Water will flow uphill

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Sculpture is an art

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Imported Bearings

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A lock with hidden secrets

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If time could go back, which year would you most like to go back to?

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The Versatile Excavator

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Car Disassembly Video

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Compressing and Processing Used Aluminum Cans

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The magic of 9v battery

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As long as you find the right method, your work can be twice the result with half the effort.

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Episode 2: Can you believe that this tiny switch can actually break through the defenses of evil spi

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(Wangxian) The punishment for being a popular prime minister begins Episode 11 A sweet and happy cou

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Gear latch process principle

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Foamed Cement Backfilling

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I admire the working people

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The Production Process of Cement Circular Pipes

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Come and see the all-capable working people!

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