Assertion: sprinkler system's water | /r/CapableOf | reach the vent
Facets:
Source sentences:
text: Some vents are automatic, shutting off when water reaches the vent, whereas others are manual, requiring the valve to be closed after removing excess air.
text: Vents may be automatic—shutting off when water reaches the vent—or manual, requiring the valve to be closed after excess air is removed.