Ezimbiwaneni ze-Placer, igolide litholakala ngokuhlukaniswa kwamandla adonsela phansi, nge-Hard Rock Mining, ezinye izindlela zivame ukusetshenziswa. Amaphampu we-ruble slurry ajwayele ukusetshenziswa ekucutshungweni kwezimayini zegolide, nge-Rubber Vute Liner Inteller ne-Impeller yerabha.
Isikhathi Seposi: Jul-13-2021