Assertion: fire sprinkler system | /r/HasProperty | activated
Facets:
value: manually
type: MANNER
Source sentences:
text: Fire sprinkler systems are actually heat activated, one sprinkler head at a time, and most fires usually require only one or two sprinklers to be extinguished.
text: Compressed air or nitrogen fills the pipes until the fire sprinkler system is activated.
text: While there are still some examples of fire sprinkler systems that must be activated manually, most today are equipped with sensors that automatically trigger the action of the fire sprinklers in the event of a fire.
text: But a fire sprinkler system is activated the moment the heat in the room rises to a threshold level-which could be within seconds.