Why does water mist appear around the coil when casting? #Science #Unzip #Casting #Physics #CoolKnow

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

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How heavy is the tamping machine's hammer? #PopularScience #Unzip #TampingMachine #LayingFoundations

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Why not turn off the water when repairing a pipe? This is called pressure plugging. #Science #Unzip

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The wisdom of the working people! Using friction and gravity to climb a tree. #Science #Unwind #Tree

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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

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The whole ship was spared from the tragedy caused by a cuttlefish.

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Use inertia to remove parts. #PopularScience #Unzip #Inertia #SlidingHammer

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Fish Hunting | Massive Swordfish Weighing Over 400kg

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

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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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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I thought it would be nothing special, but I ended up catching a sea monster.

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Were there any fish in Sanya before the typhoon?

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Funny stress relief, Da Lei’s healing touch.

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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“Just a simple fishing trip”

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I still like the loaches given by the aunts

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Taking on a nationwide angling challenge—saltwater fishing is this easy!

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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Hook a tuna to ease the pain of being terrorized by pufferfish!

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