Kugirango dukoreshe COB, tuzemeza imbaraga zogukora, ibihe byo gukwirakwiza ubushyuhe, nubushyuhe bwa PCB kugirango tumenye imikorere isanzwe ya COB, mugihe dukoresheje icyuma cyerekana, dukeneye no gutekereza ku mikorere ikora, ubushyuhe bwa disipati ...
Soma byinshi