Ngemizamo engapheli yezizukulwane eziningana zosokhemisi nonjiniyela, amapulasitiki akhiqizwa nge-petroleum, amalahle, negesi yemvelo asephenduke izinto ezibalulekile ekuphileni kwansuku zonke ngenxa yesisindo sazo esilula, ukuqina, ubuhle, kanye nenani eliphansi.Nokho, kuyiqiniso...
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