Xhumana nathi

UNksz Nicole, oneminyaka engu-20 yesipiliyoni sokuthengisa i-molybdenum, i-tungsten, i-tantalum, ne-titanium, uchwepheshe wemboni othembekile. Xhumana naye namuhla ukuze uthole imibuzo namanani omuntu siqu—uzizwele mathupha isevisi yakhe eyinqaba.