مواد معدنی

13%
14%
4%
4%
4%
4%
4%
4%
15%
25%
12%
47%
8%
4%
28%
47%
6%
12%
8%
4%
30%
5%
4%
4%
10%
20%
20%
4%
22%
3%
5%
4%