Assertion: smoke damper | /r/HasProperty | fire
Facets:
Source sentences:
text: A fire and / or smoke damper is installed within a section of ductwork to close if there is either smoke or fire detected within the ductwork or surrounding areas.
text: A fire and / or smoke damper is installed within a section of ductwork to close if there is either smoke or fire detected within the ductwork or surrounding areas.