Assertion: fire alarm | /r/HasProperty | replaced
Facets:
value: sometimes
type: TEMPORAL
value: piecemeal
type: MANNER
Source sentences:
text: It is usually recommended that smoke alarms are replaced every 10 years, though again this depends on the manufacturer & the environment it serves.
text: A fire alarm which has been installed for quite a while can sometimes be replaced piecemeal, making it more cost effective for the organisation.
text: Most smoke alarms should be replaced every 10 years.