Why can "iron slag" be used for welding? This is electroslag pressure welding. #Science #Unzip #Weld

Remote controlled high-speed boat

xiaojinglinghangpai

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Top-notch billiards assistant coach

hanenhuih

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

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Welding skills will be learned at a glance

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

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

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

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

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Netizens' welding skills competition! Great welding, don't weld next time!

susuliaojuya

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

haoqiwanhuatong

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Super cool mechanical series of speed bumps!

jixiepangke

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

haoqiwanhuatong

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

haoqiwanhuatong

24 Views

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

haoqiwanhuatong

13 Views

Why do we need to stretch the syrup repeatedly when making handmade candies? This step is actually c

haoqiwanhuatong

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

haoqiwanhuatong

9 Views