Ngā whakamahinga o te kōka iti-whāwhā kua whakapūkaratia: e whakamahia ana hei rauemi whakamahana me te whakakī i roto i te hanga i ngā irahiko karāpeti me ngā hua waro motuhake; e whakamahia ana hei kaihopu waro, hei kaihopu whakaiti rānei i roto i te umanga whakarewa whakarewa, me te umanga titanium.
