Mu myaka yashize, inganda zifatiro zarimo guhinduka, ziyobowe nibisabwa nibicuruzwa birambye kandi byikirenga. Kimwe mu bintu by'ingenzi muri iyi ubwihindurize byabaye imikoreshereze ya anatase nziza ya Tianium dioxyde. Iyi mico yo guhanga udushya ...