Assertion: sprinkler system's water | /r/HasProperty | held by operated valve
Facets:
value: from piping
type: OTHER
value: electrically
type: MANNER
Source sentences:
text: The difference, however, is that water is held from piping by an electrically operated valve, known as a pre-action valve.
text: The difference, however, is that water is held from piping by an electrically operated valve, known as a pre-action valve.
text: The difference, however, is that water is held from piping by an electrically operated valve, known as a preaction valve.