Assertion: boiler's furnace | /r/HasProperty | water
Facets:
Source sentences:
text: The common characteristic of firebox boilers is that the furnace is at least partially contained within the boiler and is water cooled for a large portion of its surface area.
text: The common characteristic of firebox boilers is that the furnace is at least partially contained within the boiler and is water cooled for a large portion of its surface area.