Team Trainer Test No. 5
Taken from the 2016 Northern Regional Team Trainer Contest held in Clymer, NY

Progress Indicator:
Question 1 of 30

1.  For single-level, room-and-pillar shaft mines, the initial fresh air base can be set up on the surface and then moved to a drift, entry, or crosscut underground close to the affected area.  The fresh air base should never be left on the surface during the entire operation.

  1. True
  2. False

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