Protecting the rescuers.
Jensen
R C
RC
D000401:Aircraft; D006801:Humans; D009519:New York City; D009784:Occupational Diseases / Q000517:prevention & control; D016272:Occupational Health; D011482:Protective Devices; D018635:Rescue Work; D023481:Terrorism; D014481:United States; D014484:United States Environmental Protection Agency; D014489:United States Occupational Safety and Health Administration; D014768:Virginia; D000078329:Workforce