Ogbe osisi graphite na-eguzogide iyi

Nkọwa ngwaahịa

Nke gara aga: Igwefoto graphite na-ekpo ọkụ na-ekpo ọkụ maka usoro ngwa ngwa jụrụ oyi

Osote: Ọmarịcha graphite na-ebu ụlọ ọrụ ohia na-agbanwe agbanwe