Team Trainer Exam From the 2014 Northern Regional Mine Rescue Contest, Peek 'N Peek, New York Progress Indicator: Question 1 of 30 1.  Advancing - When stops are made at the openings of crosscuts, intersections, or drifts turned off the drift that is being traveled, separate gas tests must be made across each entry (rib-to-rib) within no more than 3 feet of each opening to the place turned off the entry. Choices: True False