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Ikoreshwa rya Graphite Mold
Mu myaka yashize, hamwe niterambere ryihuse ryinganda zipfa no kubumba, ibikoresho bya grafite, inzira nshya no kongera imfu ninganda zikora ibicuruzwa bigira ingaruka kumasoko apfa. Graphite yagiye ihinduka ibikoresho byatoranijwe byo gupfa no kubumba umusaruro hamwe nibintu byiza byumubiri nubumara.