Zininzi iindidi zokusatywa, ezehlulwe ngokwesiko zibe: ① ukubunjwa kwesanti eqhelekileyo, kuquka ukungunda kwesanti emanzi, ukungunda kwesanti eyomileyo kunye nokuqina kwemichiza kokungunda kwesanti. ② ngokwezinto zokubumba, ukuphosa okukhethekileyo kunokwahlulwa kube ziindidi ezimbini: ukuphosa okukhethekileyo nge-san minerali yendalo ...
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