Ngokuthuthuka kwesayensi nobuchwepheshe kanye nokungena okuhlangene kwemikhakha yezobuchwepheshe ehlobene, ubuchwepheshe be-ultrasonic abusetshenziswa nje kuphela kwezobunjiniyela, imishini, i-electronics, imboni yamakhemikhali, i-biology, imithi kanye neminye imikhakha, kodwa futhi idlala indima enkulu ekuphileni kwansuku zonke.Ngiyakholwa ukuthi...
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