(2) A member of the Fire Service on probation shall before the expiration of the probationary period as aforesaid satisfy the Chief Fire Officer that he or she has become proficient in the driving of Fire Service vehicles, or the handling of fire boats, all aspects of Fire Service techniques then applicable to the Fire Service including, first aid, rescue training, the use of any specified safety device which may be in operation in the Fire Service, the bringing down of living persons from buildings both by carrying them down a ladder and by lowering them from the building or from a ladder, and for any of the foregoing purposes a member of the Fire Service may be required to undergo such test as the Chief Fire Officer thinks necessary.