ka'idar tafiyar da kashi-2
Gudanar da kasusuwa hanya ce ta sarrafa sauti, wato ta hanyar canza sauti zuwa girgizar injina na mitoci daban-daban, raƙuman sauti suna yaduwa ta cikin kwanyar mutum, labyrinth na kashi, lymph na cikin kunne, sashin Corti, jijiya mai ji, da sauraren ji...
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