مواد معدنی

3%
11%
4%
8%
12%
33%
30%
18%
20%
4%
15%
3%
5%
4%
14%
5%
20%
4%
4%
5%
10%
5%
13%
4%
5%
5%
55%
24%
3%
6%
5%
10%