Kaupapa: He mea hanga te kōka hinu graphite GPC i te kōka hinu kounga teitei. He momo kaihopu waro kounga teitei, he nui te waro pumau, he iti te whanariki, he iti te pungarehu, he tere mimiti teitei me ētahi atu painga. Ka taea te whakamahi hei hanga maitai, rino maka me te koranu kounga teitei.
