Southern Regional Team Trainer Exam
Taken from the 2019 Southern Regional Mine Rescue Contest held in New Iberia, Louisiana


Progress Indicator:
Question 6 of 30

6.  Afterdamp:

Choices:
  1. is a mixture of five mine gases.
  2. is toxic and explosive.
  3. is always present after a mine fire or explosion.
  4. all of the above.


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