Kulongedza Chakumwa Choledzeretsa Imakhala ndi chidziwitso chambiri chambiri komanso chisamaliro chaumunthu. The gradient golide electroplating amagwiritsidwa ntchito kuimira golide ngati zamtengo wapatali za dzenje akale ndi tizilombo ting'onoting'ono, kutumikira ngati kuvomereza kwa khalidwe lapadera la Lidu Sorghum 1308. Ndipo zinthu monga kusindikiza sera chisindikizo ndi chizindikiro cha chuma cha dziko amaperekedwa monga umboni wotsimikizirika. Chigawo choyambirira cha kulenga ndi zinthu zothandizira zimaphatikizidwa kuti zipange mgwirizano wogwirizana wowunikira zapamwamba.