Assertion: circuit breaker's contact | /r/LocatedNear | sulfur hexafluoride gas
Facets:
value: to quench the arc
type: PURPOSE
Source sentences:
text: A sulfur hexafluoride circuit breaker uses contacts surrounded by sulfur hexafluoride gas to quench the arc.
text: A sulfur hexafluoride circuit breaker uses contacts surrounded by sulfur hexafluoride gas to quench the arc.