Mine Rescue Statements of Fact - Test No. 5
Questions taken from the 2016 Coal Mine Rescue Statements of Fact - Group A


Progress Indicator:
Question 1 of 20

1.  All __________ should be well hitched in the floor roof, and ribs to improve their strength.  (Statement No. 81)

Choices:
  1. permanent stopping
  2. temporary stoppings
  3. temporary seals
  4. permanent seals


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