Ukubaluleka kwendawo yokuhlanza indle yasendlini kubonakala ekukhishweni okujwayelekile, indawo yokuhlanza indle yasendlini isebenzisa ubuchwepheshe bokwelashwa kwebhayoloji, ngokubola komphakathi we-microbial wemvelo wezinto eziphilayo, ukungcola emanzini kuzosuswa, ukuhlangabezana...
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