Le modeli yenzelwe utshintsho lwesifo seenyawo zesifo seswekile, kwaye abathathi-nxaxheba banokunyangwa ngenxa yolu tshintsho.
■ Usulelo oluncinci olujikeleze iinzwane zokuqala, ezesibini, nezesithathu kunye nokulimala okungafunekiyo.
■ Ubonisa izilonda eziqatha zeenyawo, ezifana nokunqunyulwa kweenyawo, unyawo lukaCharcot kunye nokubola kwesikhumba.
■ Izinto zemodeli zithambile kwaye ziyanwebeka kwaye zithambile.