Why does the excavator dig upwards when loading? It turns out that excavators also have positive and

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Excavator digs a circle!

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children's excavator

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

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

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5 Milliong Years Ago, When Excavators Were Free

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Use inertia to remove parts. #PopularScience #Unzip #Inertia #SlidingHammer

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

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

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

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Remote control truck model, can pull goods and wade through water

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

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

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[Anime] Dinosaur driving an excavator

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

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