Assertion: retained firefighter | /r/HasProperty | summoned to the fire station
Facets:
value: by a radio pager
type: OTHER
Source sentences:
text: When required to answer an emergency call, retained firefighters are summoned to the fire station by a radio pager (also known as an "alerter").
text: Volunteer and retained firefighters are expected to be on call to respond to emergency calls for long periods of time, and are summoned to the fire station when their services are needed.