Ukusebenza kwemayini yamalahle ngaphansi komhlaba, izimo zokusebenza ziyinkimbinkimbi futhi zinzima, imvelo inokhahlo, umthwalo uyashintsha ngokushintsha kwezimo ze-geological, ububanzi bokusebenza bulinganiselwe, kukhona ukushayisana, ukushayisana nokuwa nezinye izingozi, kukhona okumanzi, amanzi, amafutha, emu...
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