whakaahuatanga Ko te porotaka makariri e pa ana ki te takai rino ka hurihia ki roto i tetahi matotoru tika e te roera i te pāmahana rūma, ka hurihia ki roto i te roera katoa e te roera.Ka whakatauritea ki te porowhita wera wera, he kanapa te mata o te porowhita matao, he teitei ake te mutunga, engari ka nui ake te ahotea o roto, i muri i te hurihuri makariri he maha nga wa e hiahia ana te maimoatanga annealing.Ka whakamahia te peera rino wera hei rauemi mata, i muri i te kohi waikawa hei tango i te tauine waikura, te huri matao, ka huri ki roto i te porowhita pakeke.Ko te st...