Mu myaka yashize, Ubushinwa bwagize uruhare runini ku isoko rya dioxyde de titanium ku isi, bushimangira umwanya wabwo nk’umuguzi wa mbere utanga ibikoresho by’inganda. Hamwe nubutunzi bwinshi, ubushobozi bwumusaruro wambere hamwe nibiciro byapiganwa, Ubushinwa bwabaye isoko yambere ya t ...
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