Assertion: boiler's drum | /r/HasProperty | connected through a network of tubes
Facets:
Source sentences:
text: The single drum at the bottom and three drums on the top were connected through a network of tubes which were welded to the drums above and the single drum below.
text: The single drum at the bottom and three drums on the top were connected through a network of tubes which were welded to the drums above and the single drum below.