Techik rice sorter na gani na gani shine cire hatsin shinkafa maras kyau ko maras kyau daga babban rafin samfurin, tabbatar da cewa kyawawan hatsi, iri, da kyawawan hatsin shinkafa ne kawai suka kai ga marufi na ƙarshe.Laifukan gama gari waɗanda mai rarraba launin shinkafa zai iya ganowa da cirewa sun haɗa da hatsi marasa launi, ƙwaya mai alli, ƙwaya mai baƙar fata, da sauran kayan waje waɗanda zasu iya shafar inganci da bayyanar samfuran shinkafa na ƙarshe.