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Watching a modern, massive, airliner taxi down a runway, slowly pick up speed, and then haul itself into the sky is one of the most impressive demonstrations of man-made engineering and ingenuity.
Thanks go to the jet engine.
A pair of the things, slung underwing on a plane like a Boeing 777, provide enough thrust to push the aircraft and its hundreds of passengers aloft, spinning reliably for over 5,000 miles, day after day.
In a facility the size of 47 football fields, these folks check everything from the huge fan blades at the front to the tiny components of the fuel injectors.
Fun fact: That white swirly on the center of an engine isn t for decoration, or to scare birds.