Rangarira ndima iri pasi apa uye wopindura mubvunzo unotevera mumutauro mumwe chetewo: Passage: Praseodymium chikamu che didymium girazi, iro rinoshandiswa kugadzira mamwe marudzi ewelder's uye magirazi ekuputika magirazi. Mubvunzo: Chii chinonzi Praseodymium?
ichikamu chegirazi redidimium