draegerman[< A.B. Dräger, died 1928, a German physicist, who invented a mask effective in gas-filled mines]Maritimes
n. a coal miner trained in underground rescue work and the use of special equipment; a mine rescuer.
1918  Draeger men were soon ready but exploration was somewhat impeded by the jamming of the cage at the bottom of the shaft.
1958  The draegermen--the name comes from the German-made equipment they originally used--are hand-picked for size, health, intelligence and temperament.