Ka lilemo tse fetang 20, STMC e ikemiselitse ho fana ka sehlahisoa le tšebeletso ea boleng bo holimo ho bareki lefatšeng ka bophara.Joaloka khoebo e etelletseng pele ea mochini oa cryogenic delashing re tsamaisitse mechini e likete linaheng tse fetang 30 tse fapaneng.Ntle le lihlahisoa tsa boleng, re boetse re kenyelletsa bohlokoa bo boholo ho tšebeletso ea bareki.Re thehile sistimi ea ts'ebeletso e holileng kamora thekiso ho netefatsa karabelo e nakong ho litlhoko tsa bareki le ho fana ka ts'ehetso eohle.
