File:Hearing loss of carpenters by age.jpg

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English: Hearing loss of carpenters by age showing deteriorating hearing threshold levels between age 25 and 55 years old
Date
Source NIOSH
Author NIOSH

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Public domain
This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

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Date/TimeThumbnailDimensionsUserComment
current02:43, 16 August 2018Thumbnail for version as of 02:43, 16 August 2018900 × 638 (63 KB)Chuck Kardous (NIOSH) (talk | contribs)User created page with UploadWizard

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