Assertion: uranium's use | /r/HasAspect | the advantage
Facets:
Source sentences:
text: Using uranium has many advantages and disadvantages, including the advantage of being cheaper than coal and the disavantage of it sometimes being dangerous to use.
text: The use of "rings" had two advantages: it allowed the larger bullet to confidently remain subcritical (the hollow column served to keep the material from having too much contact with other material), and it allowed sub-critical assemblies to be tested using the same bullet but with just one ring.