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Hearing Aids Inside Out
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| Added by: susan6th | Karma: 3133.44 | Non-Fiction | 8 January 2010 |
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 Hearing Aids Inside Out
A hearing aid is a device that helps someone who has trouble hearing. Hearing aids today are electronic instruments that receive and amplify sounds. The first hearing aids are now known as body worn aids. |
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| Tags: hearing, Hearing, amplify, sounds, first, Hearing, hearing, Inside, receive |
