<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Kupfuura: Mavara anoshandiswa anosanganisira ochre tsvuku neyero, hematite, manganese oxide nemarasha. Pane dzimwe nguva chimiro chemhuka yacho chaitanga chavezwa mudombo, uye mumapako mamwe mifananidzo yose kana kuti mizhinji inongocherwa nenzira iyi, ichivasiya vari kunze kworondedzero yakaoma yemifananidzo yemapako. Mubvunzo: Rutsvuku uye ruvara rworudzii runowanzoshandiswa muzvidhori?  <response>: yero 