The book was developed based on the expertise of four research groups, three of them linked to the Universidade Estadual Paulista (UNESP): Studies on Hearing; Public Safety Observatory of UNESP; Research and Urban Management Organized Labor Group (GUTO); and Labor, Health and Society linked to the Tuiuti University. The groups mentioned above fit mainly into two major areas, Speech and Social Sciences, with a focus on the following research lines: hearing health and public safety. For this reason, the present work is multidisciplinary and includes current information, of scientific relevance, focused on the theme "firearms". This diversity has allowed the production of chapters that approach the audiological profile of militaries exposed to impact noise during their work activities, as well as the measurement of noise generated by firearms. Another situation that is worth mentioning is the recreational activity on private booth shots (as shooting clubs), where hearing protection is also required. It is also worth noting that the book discusses violence with firearms in contemporary Brazilian society.
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