Assertion: fire extinguisher's agent | /r/HasProperty | replaced
Facets:
value: least once every year
type: TEMPORAL
value: annually
type: TEMPORAL
Source sentences:
text: The agent in stored-pressure wetting agent fire extinguishers shall be replaced annually.
text: The premixed agent in liquid charge-type AFFF (aqueous film-forming foam) and FFFP (film-forming fluoro-protein foam) fire extinguishers shall be replaced at least once every year.
text: The agent in solid charge-type AFFF fire extinguishers shall be replaced once every 5 years.