Assertion: fire extinguisher's rating | /r/CapableOf | mean for example
Facets:
Source sentences:
text: For example, a rating of 2B means that the fire extinguisher can be used to combat two square feet of a Class B fire.
text: For example, a 4-A rating means that the unit will put out twice as much Class A fire as a unit with a 2-A rating.