From 30 centimeters to 3 centimeters—why is there such a huge difference, even though they're both b

By the Naihe Bridge, the red spider lilies bloom; its reflection in the river is none other than its

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Why do we add a layer of metal between the hammer head and the wooden handle? #Science #StressRelief

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Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

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You don't necessarily have to go to the ocean to surf—surf simulators and artificial wave pools can

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How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

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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 is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

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

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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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Why do we say that no two pairs of ripped jeans are exactly alike? #Science #Unzip #Jeans #Workers #

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Why can loose sand be made into sand sculptures after mixing with water?

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They say diamonds are forever, but they can be burned and broken.

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

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

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

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Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

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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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The snow on the roof looks beautiful, but why do we need to remove it?

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Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

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

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