Assertion: fire extinguisher's agent | /r/HasProperty | aqueous film forming foam
Facets:
Source sentences:
text: Secondly, when this extinguisher is used on burning liquids, the foaming agent inside the extinguisher (Aqueous Film Forming Foam) creates a barrier between the flames of the fire and the fuel.
text: This extinguishing agent is either aqueous film-forming foam (AFFF) or film-forming fluoroprotein (FFFP) foam.