excel раптор конусан бутлуур
bougainville copper анхдагч бутлуур. bougainville copper анхдагч бутлуур. Rio Tinto Considers Exiting Papua New Guinea Copper Mine. Rio Tinto is considering its options in Papua New Guinea after the government passed laws that could strip the company of its lease on a copper mine that has been closed for 25 years.