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Boeing Airplanes @BoeingAirplanes
These "pet rocks" never need to be fed, walked, or bathed, but they do play an important role in building the 787 #Dreamliner. Before engines are installed on an airplane's wings, these steel boxes (weighing over 17K lbs. / 7.7K kg) help to balance and support the structure. https://t.co/CZs8oHJhpj — PolitiTweet.org