I roto i te hanga ahumahi, ka taea te whakamahi i te graphite whakawhänui hei mura ahi, te mahi i te waahi o te whakamaarama wera o te ahi, engari i te taapiri i te kauwhata, ki te taapiri i te kauwhata whakawhänui, kia tutuki ai te painga o te mura o te mura. Ko te take nui ko te huringa o te kauwhata whakawhanui ...
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