Muchiitiko chekugadzira midziyo yemumba sengefiriji, yekugeza michina uye mhepo inogadzira mashitsi, mashitsi ezvinyorwa zvakakosha. Iwo mashebhu ekunze, matangi emukati uye zvimwe zvikamu zvemidziyo yemumba anowanzogadzirwa mashitsi emahara. Kupesana kwavo kwekushora kunovimbisa kuti zvishandiso hazvikwanisi kunhuwa munharaunda ine mukurumbira. Panguva imwecheteyo, iyo yakanaka mamiriro ekunze inoitawo kutaridzika kwemidziyo yakanakisa. Iyo Firiji Shells inoburitswa nevanogadzira pamba yakagadzirwa neakakwira mashitsi
