Efere eserese nwere ezigbo conductivity eletriki, nguzogide okpomọkụ dị elu, nguzogide acid, nguzogide corrosion alkali, nhazi dị mfe. Ya mere, a na-eji ya eme ihe na metallurgy, ụlọ ọrụ kemịkalụ, electrochemistry na ụlọ ọrụ ndị ọzọ. Otu n'ime ihe eji eme efere graphite bụ na ọkara ...
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