Assertion: photoelectric alarm | /r/HasProperty | effective at detecting smoldering fires
Facets:
value: highly
type: DEGREE
Source sentences:
text: Although photoelectric alarms are highly effective at detecting smoldering fires and do provide adequate protection from flaming fires, fire safety experts and the National Fire Protection Agency recommend installing what are called combination alarms, which are alarms that either detect both heat and smoke or use both the ionization and photoelectric processes.