Assertion: pontoon | /r/CapableOf | carry two metal tracks
Facets:
Source sentences:
text: A treadway bridge was a multi-section, prefabricated floating steel bridge supported by pontoons carrying two metal tracks (or "tread ways") forming a roadway.
text: A treadway bridge was a multi-section, prefabricated floating steel bridge supported by pontoons carrying two metal tracks (or "tread ways") forming a roadway.