I-40% yesaphulelo kuyo yonke iOda ngeVawutsha
Iqhekeza ngalinye leCOPPERTIST.WU lenziwe ngobhedu olucikizekileyo lwebakala, ubhedu, ubhedu kunye nesilivere. Ukukhathalela iimveliso eziziinkulumbuso, yigcine kwindawo eyomileyo kwaye uyisule rhoqo ngelaphu lomqhaphu. Gwema i-asidi yokucoca i-asidi, isicoci setyuwa kunye neoli eyahlukeneyo, i-chloride kunye nezinye izinto zamakhemikhali, eziza kubangela ukubola phezu kwemveliso.
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