2) Isivumelwano sokugcinwa kwemfihlo sinokusayinwa
3) Isiqinisekiso sokubuyiselwa kweentsuku ezisixhenxe
Okubaluleke ngakumbi: asikwazi ukubonelela ngemveliso kuphela, kodwa inkonzo yesisombululo seteknoloji!
Fe | Mn | Cu | Ca | Ni | Zn | Pb | Sn |
48ppm | 0.1ppm | 0.06ppm | 0.04ppm | 7.4ppm | 0.2ppm | 0.14ppm | 0.4ppm |