1 View PremiumNov 8, 2025
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
Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF
Why do we need to cut a slant on the tree when felling it?
Why does the bearing emit "hot air" when installing it? This is the interference fit installation me
16 Views
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
26 Views
Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr
The wisdom of the working people is to change the direction of force to move heavy objects. #Science
The snow on the roof looks beautiful, but why do we need to remove it?
Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin
What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator
52 Views