31. In what type of escapeway must a continuous lifeline be installed?

32. What fire-fighting equipment is required to be provided at each permanent electrical installation?

33. When are emergency medical technicians required to be employed in West Virginia coal mines?

34. At what maximum intervals are mandoors required to be installed in the intake and return stopping lines when the height of the coal is below 48 inches?

35. At what intervals must fire hose outlets with valves be installed in waterlines paralleling belt conveyors?

36. What must be installed in the boom and head lift cylinders of all continuous mining machines and loading machines?

37. When requested by an authorized representative of the director, how long does the mine operator, or agent thereof, have to furnish the required list of all mining certifications of all current employees on the payroll?

38. What must be done when an undervoltage indicator on a unit of battery powered equipment indicates that 75% of the rated capacity of the unit's batteries has been expended?

39. What board is responsible for promulgating rules in response to coal mining related fatalities?

40. How many years of practical underground mining experience are required to qualify for a belt examiner certification?