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During the 1930s and 1940s, inventor Donald Hings helped to develop a two-way radio transmitter device called the Walkie-Talkie. For which government did Hings work during the World War? - Quora
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Inside Electrical and Computer Engineering at the University of Michigan 2021 by Electrical & Computer Engineering at University of Michigan - Issuu
Cook County's 900,000 residents of Polish heritage have much to celebrate this month - Chicago Sun-Times
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