Exam (elaborations)
ILE Hearing Aids Exam with 100% Correct Answers | Verified | Latest Update 2024
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ILE Hearing Aids Exam with 100% Correct Answers | Verified | Latest Update 2024 Hand Cupped Behind Ear - -first Hearing Aid -increased sound by 5-8db -included horns,trumpets, speaking tubes 1892 - -carbon amplifiers patent by Alexander Bell -marketed until 1930;first patent for a telephone ...
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