Wireless communication was most widely used at first by the __________ industry.
A)manufacturing
B)railroad
C)telegraph
D)telephone
E)maritime shipping

Name: Wireless communication was most widely used at first by the __________ industry. A)manufacturing B)railroad C)telegraph D)telephone E)maritime shipping
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Question

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The maritime shipping industry was among the first to widely use wireless communication, primarily for navigation and safety purposes, such as sending distress signals.

Wireless Communication Was Most Widely Used at First by the __________