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Study: Improve earplug efficiency to preserve workers' hearing health
Updated : 5 years, 2 months ago IST
Washington [US], January 10 (ANI): A study led by the researchers of the Institut de recherche en Sante et securite du travail (IRSST) and the Ecole de Technologie Superieure (ETS University) examined the association of structure of ear canals to the different commonly-used models of earplug
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