2) Isivumelwano sokugcinwa kwemfihlo sinokusayinwa
3) Isiqinisekiso sokubuyiselwa kweentsuku ezisixhenxe
Okubaluleke ngakumbi: asikwazi ukubonelela ngemveliso kuphela, kodwa inkonzo yesisombululo seteknoloji!
| Ubunyulu | 99% |
| Nb | UBhal. |
| B | 18.9 |
| P | 0.03 |
| S | 0.01 |
| Ca | 0.02 |
| Fe | 0.15 |
| Uphawu | Epoch-Chem |