[Hardcore] Middle school students successfully conducted a hot test of their homemade liquid rocket

What’s truly devastating isn’t the sixth-generation fighter jet—it’s the engine!

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[DIY] Test Of Thrust 01

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How a Car Engine Works

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The big challenge of hand-rubbing various types of engines: single-cylinder fuel engine!

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My fur is finally done!

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The outrageous failure encountered by the auto mechanic: the car cannot be worn with high heels

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The outrageous failure encountered by the auto mechanic, the customer said I think I can still drive

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The auto mechanic encountered an outrageous fault, the customer said the steering wheel was turning

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The outrageous fault encountered by the auto mechanic, the customer said he would go on the highway

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The mechanic encountered an outrageous fault and the customer asked him to repair the tire.

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[Outrageous design] Wasteland horsepower is a wonder, can this big V8 engine work? fool around

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【Digital Art】Drawing Saliva on 2B

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Tie a rocket made of 60,000 matches to a car and see how far it can be pushed?

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That's right, this is a four-cylinder bicycle with variable valve timing.

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The outrageous fault encountered by the auto mechanic, using cable ties to tie the shock absorber

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Homemade Tools

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Forging

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The more skills you have, the better.

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Outrageous failures encountered by auto mechanics, October's highlights

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Rookie Police Officer: A female police officer on duty was suddenly injected with an unknown liquid!

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