Assertion: pilot light | /r/CapableOf | activate burner
Facets:
Source sentences:
text: When the thermostat signals the need for heat, an electric system creates a spark that causes the pilot to come on, and then the pilot activates the burners.
text: When the thermostat signals the need for heat, an electric system creates a spark that causes the pilot to come on, and then the pilot activates the burners.