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 it’s assured a fresh air travelway to the surface.
Choices:
- outside
- underground
- inside
|
|
|
|