Mine Rescue Statements of Fact Quiz No. 1


Progress Indicator:
Question 1 of 20

1.  ONCE AN EXPLOSION HAS OCCURRED, THERE IS ALWAYS THE POSSIBILITY OF FURTHER _______________________.

Choices:
  1. IGNITIONS
  2. HYDROGEN POPS
  3. EXPLOSIONS
  4. DAMAGE
  5. NONE OF THE ABOVE

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