Ko te graphite electrode e pa ana ki te petroleum coke, ngira coke hei rauemi mata, waro tar mo te whakapiri, i muri i te raweke o te rauemi mata, te huri pakaru, te whakaranu, te pokepoke, te hanga, te calcination, te impregnation, te graphite me te tukatuka miihini me te hanga i te ahua o te wera teitei graphite tahi...
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