Assertion: class d fire extinguisher | /r/UsedFor | use
Facets:
value: on flammable metals
type: LOCATION
Source sentences:
text: Class D fire extinguishers are for use on combustible metals.
text: There are several different types of fire extinguishers, such as ABC dry chemical which is for general use and a Class "D" fire extinguisher which is for use on flammable metals.