Why do coal mines spontaneously combust underground? This is actually a coal seam fire, also known a

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Human Speed Bump – Mechanical ~3.26

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The irresistible charm of machinery~

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[AE Tutorial] How to Achieve Mask Splitting Effect in AE? Master It in 6 Minutes!

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

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Today's stress-relief video!! An astonishing workplace scene~

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

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

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

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Ending Theme "Protagonist" from Episode 171

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

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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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The skilled workers' amazing work site at the speed bump installation!

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The worst guy in history! #FunnyVideo #Girlfriend #AwkwardSituation

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Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

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

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Skilled workers at a satisfying job site~

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Let’s take a look at some amazing work sites!

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Unboxing video!! – The Mechanical Series~

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