Umuyoboro w'isi ni iki?Ibice byo gufungura no gufunga ibice byisi ni plaque imeze nka disiki, hejuru yikidodo kirasa cyangwa kirahuzagurika, kandi disiki igenda kumurongo ugororotse kumurongo wo hagati wamazi.Ifishi yimikorere yibiti, hariho ubwoko bwo guterura inkoni (guterura uruti, intoki ntizamura ...
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