Assertion: tungsten's hardness | /r/HasProperty | paired with its brittleness
Facets:
Source sentences:
text: Tungsten carbide’s extreme hardness paired with its brittleness means that tungsten carbide rings can crack or shatter if struck against a hard enough surface.
text: Tungsten carbide’s extreme hardness paired with its brittleness means that tungsten carbide rings can crack or shatter if struck against a hard enough surface.