It also said that it was working to ensure that minerals used in electronics manufacturing, like tantalum, tungsten and gold, do not come from war-torn regions.
同时，为确保优质矿产品能使用到电子制造商中，例如钽，钨和金，请不要从战争地区进货。
2
A dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals.
一种黑色矿物，由钇、铒、钽和其他矿物的氧化物组成。
3
Conflict Minerals: Any amount of tin, tantalum, tungsten or gold, regardless of where it is mined.