How to clean water plants in the river? #Science #Relief #RiverCleaning #IncreaseKnowledge

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Why do we separate the flocks? #Science #Relaxing #Grazing #ExtremeComfort

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

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

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

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30cm miniature straw bowl: Good for a daze

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

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

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

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

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When You Haven't Changed The Water In Your Planted Tank For A Month

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Some lawns are dyed green, and others have their turf replaced in patches.

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

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

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