Coal Mine Rescue Field Test 2
Taken from the 2018 Tennessee Mine Rescue Contest held in Cove Lake, TN


Progress Indicator:
Question 1 of 10

1.  When appropriate, a __________ area is not un-sealed until the oxygen content is low enough to make explosions impossible and the carbon monoxide has disappeared.

Choices:
  1. sealed
  2. fire
  3. dangerous


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