1. Oke ngwa nke #Coal #Tar #Pitch bụ mmepụta na imepụta ọkwa carbon. Ọkwa graphitization nke carbon na coal tar pitch dị elu, yabụ enwere ike iji ya dị ka nrapado na electrode metal. N'akụkụ a, enwere ọtụtụ ụdị na mpaghara dị iche iche metụtara. 2. Maka ihe ndị sitere n'okike, a na-ejikọta ya na mmanụ mmanụ ma ọ bụ mee ka ọ bụrụ slurry maka ngwa, nke nwere ike inwe mmetụta nke dochie mmanụ mmanụ ruo n'ókè ụfọdụ. 3. Site na-edozi ihe ndị na-adịghị mmiri na-eji na-ewu ụlọ na ọkpọkọ ọkpọkọ mgbe mmepụta na nhazi. Epoxy coal tar pitch mkpuchi bụ nke a na-ejikarị eme ihe.
