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The Global Positioning System has revolutionized our society. It has greatly improved the accuracy of weapons. It has added billions to the economy with its applications in agriculture, trucking and many other industries. Many lives have been saved since hikers and others with GPS devices can more easily find their way to safety.
www.lulu.com/content/pap...logy/1628004
www.lulu.com/content/pap...logy/1628004
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