Ko te graphite electrode he taputapu kawe kauwhata teitei te pāmahana i hangaia e te pokepoke hinu, te ngira coke hei whakahiato me te bitumen waro hei here, ka puta mai i roto i te raupapa o nga tukanga penei i te pokepoke, te hanga, te tunu, te impregnation, te graphitization me te mahi miihini...
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