Graphite bụ ihe a na-ahụkarị na-abụghị ọla, oji, nke nwere nguzogide dị elu na nke dị ala, ọkụ eletrik na ọkụ ọkụ, ezigbo mmanu na njirimara kemịkalụ kwụsiri ike; ezigbo ọkụ eletrik, enwere ike iji ya dị ka electrode na EDM. Tụnyere elektrọd ọla kọpa ọdịnala,...
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