Also on the subject of unusual firefighting methods:
"The Górniczy Agregat Gaśniczy (GAG) is a jet engine inertisation unit developed for use in mines, controlling and suppressing coal seam fires and neutralising firedamp situations. The unit was designed in Poland in the 1970s, its name roughly translates as "Mine Fire Suppression Apparatus""
"The Górniczy Agregat Gaśniczy (GAG) is a jet engine inertisation unit developed for use in mines, controlling and suppressing coal seam fires and neutralising firedamp situations. The unit was designed in Poland in the 1970s, its name roughly translates as "Mine Fire Suppression Apparatus""
https://en.wikipedia.org/wiki/Gorniczy_Agregat_Gasniczy