Noble Metal Catalyst

Re tsebahala-re le e mong oa baetsi le barekisi ba ka sehloohong ba litšepe tsa tšepe naheng ea China. Ka phihlelo ea lilemo tse fetang 15, re u amohela ka mofuthu hore u reke lisebelisoa tsa tšepe tsa boleng bo phahameng tse entsoeng Chaena mona ho tloha fekthering ea rona. Liodara tse ikhethileng lia amoheloa.