What you saw in this video is the product of engineering. Heavy engineering allows us to create incredibly powerful machines capable of extracting and transporting natural resources. It allows us to build astonishingly large and technologically complex projects such as particle colliders and gravitational wave detectors. And of course, it provides us with energy through technologies like nuclear power plants. The phones, tablets, and computers you are holding right now are also the work of engin

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This is a Delmag jumping jack. It was an old school method of compaction . How it works is that when the throttle is engaged, the diesel engine fires and unleashes a violent mechanical or explosive force that compresses and then releases the springs, launching the entire 60 to 100-kg machine into the air.