M'katikati mwa Ogasiti, makampani ambiri a graphite elekitirodi adakankhira malingaliro, makamaka chifukwa cha kukwera kwa mtengo kwa zinthu zina zakumtunda zopangira, zomwe zidapangitsa kuti pakhale ndalama zambiri pamakampani amagetsi a graphite, makampani amagetsi a graphite adatayika kwambiri, ambiri a graphite ele. ..
Werengani zambiri