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Ngokutsho kokumelana nomlilo ohlukeneyo kweengcango zomlilo zetsimbi, ukuxhathisa umlilo kunokwahlulwa ngamabakala amathathu: A, B kunye no-C. Iingcango zomlilo zensimbi zamabakala ahlukeneyo zingasetyenziswa kwiindawo ezahlukeneyo.

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