Assertion: gun type bomb | /r/CapableOf | use plutonium
Facets:
Source sentences:
text: The impracticability of a gun-type bomb using plutonium was agreed at a meeting in Los Alamos on 17 July 1944.
text: Physicists at the Manhattan Project abandoned the "Thin Man" as the gun-type bomb that used plutonium was found to be impractical.