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What on earth is this? Any experts out there who recognize it? Please enlighten us!
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If you often watch videos, you don’t know how terrible the job of a porn appraiser is!
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[Portrait Photography] Diligence brings strength - my 2022 second quarter film selection Sony A7R3/8
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The slowest aircraft in the world, F1D, has a thin layer of material, but can fly in the sky for 40
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The incredible "two-way bolt" will not loosen for a hundred years if you twist it left or right. Do
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The incredible "abrasive flow" squeezes the fluid out of the tube. The picture is so sour.
What happens if you put a rainbow ring on the stairs? Let go and an interesting scientific phenomeno
What is scraping? Precision machine tool processing must be done manually, this is the real technolo
A truck mixer driver's nightmare: a blocked tank! What happens when the concrete in the mixing drum
What's the difference between "heavy water" and regular water? What happens to the human body if you
Interesting science experiment, how to make the simplest centrifuge? Try it with rope and paper
Incredible "wall-penetrating technique", crashing the car into the wall, interesting phenomena occur
The most difficult street game: Cover a big circle with three small circles. Why can't you ever win?
The incredible "curved and straight" model, the rotating and tilted red straight rod, an interesting
What is "Metal Drawing"? Put the iron sheet on the machine and press it hard, and an interesting phe
Why does beach sand dry up instantly when you step on it? It's a strange, counterintuitive phenomeno
The "rice pile" that makes people addicted! Why do you like to put your hands in rice when you go to
How to choose rice, flour, grains and oils in life? I’ve learned how to praise my mother!
What are "wave-breaking blocks"? How are these four-sided pyramids piled on the shore made?
The incredible turning fins can turn copper plates into "paper pieces". Do you know why?