Coal Mine Rescue Field Test 4
Taken from the 2018 NMRA Post 6 Mine Rescue Contest (Day 2) held in Cadiz, OH

Progress Indicator:
Question 1 of 10

1.  If the fresh air base is __________, it should be located where itís assured a fresh air travelway to the surface.

  1. outside
  2. underground
  3. inside

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