2) Pangano lachinsinsi litha kusaina
3) Chitsimikizo chobwezera ndalama masiku asanu ndi awiri
Chofunika kwambiri: sitingapereke mankhwala okha, koma ntchito yothetsera teknoloji!
| ZINTHU | ZOtsatira |
| Kuyesa (CuO) | 99% mphindi |
| Fe | 0.2% kuchuluka |
| Cd | 0.005% kuchuluka |
| Chlorhydricacid indissolvableness | 0.2% kuchuluka |
| Zinthu zosungunuka m'madzi | 0.1% kuchuluka |
| Chloride (Cl-) | 0.2% kuchuluka |
| SO4 | 0.2% kuchuluka |
| Pb | 0.02% kuchuluka |
| Hg | 0.005% kuchuluka |
| Mtundu | Epoch-Chem |