Kumenyekanisha ibishushanyo mbonera bya grafite byoroshye Ubushyuhe bwo hejuru grafite yunvikana ifite imiterere yuburemere bworoshye, guhungabana neza, ibirimo karubone nyinshi, kurwanya ubushyuhe bwinshi, nta guhindagurika ku bushyuhe bwinshi, kurwanya ruswa, ubushyuhe buke bwumuriro no kugumana imiterere myinshi. Prod ...
Soma byinshi