Assertion: neptunium | /r/ObjectUse | used neutron detection equipment
Facets:
value: for spacecraft generators
type: PURPOSE
value: for terrestrial navigation beacons
type: PURPOSE
value: sometimes
type: TEMPORAL
Source sentences:
text: It is sometimes used for spacecraft generators and terrestrial navigation beacons, as well as neutron detection equipment.
text: Neptunium is used in neutron detection devices.
text: Neptunium is also used in neutron detection equipment.