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fjna fjna
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6 years ago
Which of the following BEST describes why firefighters must use SCBA during overhaul?
 
  A. Smoke is not like other flammable gases; it will not burn or explode.
  B. Hazardous concentrations of smoke are only present outside the structure.
  C. Hazardous concentrations are typically below short-term exposure limits.
  D. Volume and density of smoke may be reduced, but the hazard is not eliminated.
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6 years ago
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