Kwagura ibyuma hamwe nindishyi zashizwe muburyo butaziguye umuyoboro wicyiciro kimwe cyangwa amazi menshi.Igizwe ahanini nintoki (umuyoboro wibanze), igikonoshwa, ibikoresho byo gufunga, nibindi. Ikidodo cyo gufunga muri rusange gifunzwe hamwe nubushyuhe bwo hejuru bwa grafite, ifite ibyiza bya, lu ...
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