Centers for Disease Control and Prevention: tüm kitaplar Online

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An Epidemiologic Study of Mortality and Radiation-Related Risk of Cancer Among Workers at the Idaho National Engineering and Environmental Laboratory, a U.S. Department of Energy Facility
Department of Health and Human Services

Ionizing radiation and its sources are used every day in medical, industrial and governmental facilities around the world

Mine Roof Bolting Machine Safety: Investigations of Roof Bolter Boom Swing Velocity
Department of Health and Human Services

An analysis of accident/injury data for 2001 through 2005 from the Mine Safety and Health Administration (MSHA) revealed

Analysis of Mine Fires for All U.S. Metal/Nonmetal Mining Categories,1990-2001
Maria I. De Rosa

This report analyzes mine fires for all U.S. underground and surface metal/nonmetal mining categories during 1990–2001 by