Ibiti bikozwe mu biti bikozwe mu biti, bikunze kwitwa inkuta zometse ku rukuta, byagaragaye nk'ihitamo rikomeye kuri ba nyir'amazu ndetse n'abashushanya intego bagamije kongeramo imico n'ubuhanga mu gutura.
Ku bijyanye no kuzamura ubwiza bwimikorere nuburyo bukorerwa haba mubucuruzi ndetse no gutura, imbaho zishushanya urukuta zagaragaye nkuburyo buzwi bwo gukama gakondo. Iyi a