Assertion: detector | /r/HasProperty | replaced
Facets:
value: usually
type: DEGREE
Source sentences:
text: Keep in mind also that sensors can usually be replaced so if it does go out it’s not a huge deal.
text: Some mains-powered detectors are fitted with a non-rechargeable lithium battery for backup with a life of typically ten years, after which it is recommended that the detector be replaced.