Rebels, who generally fund themselves by smuggling gold, coltan and wood, often kidnap people on nearby roads.

主要通过走私黄金、钶钽铁矿石和木材为自己提供资金的叛军经常在附近的公路上绑架民众。

But most coltan actually comes from much smaller operations.

但大多数钶钽铁矿实际上来自小得多的操作。

Tantalum is an element that's derived from an ore called columbite-tantalite, or coltan.

钽是一种元素，源自一种叫做钶钽铁矿或钶钽铁矿的矿石。

A lot of coltan can be traced back to The Democratic Republic of Congo.

许多钶钽铁矿石可以追溯到刚果民主共和国。