Assertion: polonium | /r/HasProperty | safe to transport
Facets:
Source sentences:
text: Polonium 210 is safe to transport and hide from detection, scientists only discovered it in Litvinenko hours before his death
text: Although difficult to get hold of - you need access to a nuclear reactor - Polonium 210 is safe to transport and hide from detection, scientists only discovered it in Litvinenko hours before his death.