In the mine of ruashi , about 20 kilometres outside lubumbashi , around 4 , 000 miners , some as young as eight , dig and sieve from dawn to dusk 在卢本巴西外20公里左右的ruashi矿，有大概4000名矿工，有的只有8岁大，从早到晚挖矿筛矿。
2.
In the mine of ruashi , about 20 kilometres outside lubumbashi , around 4 , 000 miners , some as young as eight , dig and sieve from dawn to dusk 这些独立的从业者开采8 %品位的富钴矿（也叫水钴矿）和35 %品位的富铜矿石，通过中间商卖给外国人，外国人大部分是从中国和印度来的，在附近的镇上有冶炼炉。
