Assertion: uranium's isotope | /r/HasProperty | man-made
Facets:
value: man
type: OTHER
Source sentences:
text: It is a man-made isotope and is a side product in the thorium fuel cycle and also this isotope is a decay product of 236Pu in the uranium fuel.
text: It is a man-made isotope and is key fissile isotope in the thorium fuel cycle.