Uhambo lweFektri

Umboniso weFektri

Isityalo seCopper Sulfate

2
3
4
6

Isityalo seZinc Sulfate

2
1
liusuantong

Isityalo seZinc Sulfate

5134699b
huangyao
huangyao2
8e1c84ed
2
6
12
14

Ifoto yeQela loMthengi

1
3
5
2
4
6

Iqela leFoto

1
3
2
4

Izatifikethi

22