Njengomthombo ophakeme wezokwakha osekela izinhlelo zezimboni zanamuhla, ukuhlinzekwa okuqinile kwemaminerali yensimbi kuhlobene ngqo nezokuphepha nentuthuko yokukhiqiza emhlabeni jikelele. Le e-book ihlola isidingo samanje semboni sokuthola i-generational entsha yemishini yokuphuca maminerali yensimbi, ihlinzeka ngereferensi ezicacile kumakhasimende ekukhetheni kwemishini.
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Thumela Umyalezo