Assertion: zinc | /r/HasProperty | proposed as saltingmaterial
Facets:
value: for nuclear weapons
type: PURPOSE
value: for the same reason
type: CAUSE
Source sentences:
text: Zinc has been proposed as a "salting" material for nuclear weapons.
text: For the same reason, zinc has been proposed as a salting material for nuclear weapons (cobalt is another, better-known salting material).