the most common tactic used by firefighters in defusing a potential backdraft is to ventilate from the highest point, allowing the heat and smoke to escape without igniting explosively
an explosive surge in a fire produced by the sudden mixing of air with other combustible gases
"the most common tactic used by firefighters in defusing a potential backdraft is to ventilate from the highest point, allowing the heat and smoke to escape without igniting explosively" What is the definition of "backdraft"?