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elhamkad
@elhamkad
Igor Ivanovich Sikorsky .. was one of the pioneers of the aviation industry and a designer of helicopters and airplanes. In 1939, Sikorsky designed the first usable helicopter named Vot-Sikorsky VS-300 and modified his design to create the Sikorsky R-4 helicopter.🚁
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Fathemeh 🎩
@vvondereyes
The right invention for humanity🌝👌🏻
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