The wisdom of the working people! Using the principle of leverage to pull out piles. #Popular Scienc

Why don’t civilian aircraft spray flames? The working principle of turbofan jet engines

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Is learning useless?

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Dental implants require screws to be inserted into the alveolar bone—let's take a look at the entire

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Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

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Why can the fountain stone ball rotate? #Popular Science #Unzip #Physics #Fountain Stone Ball #Trivi

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

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The outrageous fault encountered by the auto mechanic, the customer said there was a strange noise b

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Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

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

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Why do we need to cut a slant on the tree when felling it?

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As long as you use the right method, work won't be that tiring.

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Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

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Super Spicy Extreme!!! Collection

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Why has the alligator gar survived for hundreds of millions of years? #Science #FantasticBeasts #All

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

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Cars can encounter many troubles in icy and snowy weather. Which ones have you encountered?

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Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #

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