Portable Fire Extinguishers No. 3 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 3 of 15 3.  The _____________ extinguisher for mine rescue teams is a ____________ chemical type that contains monoammonium phosphate.  (MSHA 3028, p. 5 – 7) Choices: common, foam recommended, dry best, wet