Ko te tono angamaheni ano he koranu kirihou, he puhui whakakiia ki te maaka, kooru-papatipu whakakii i te kohuke, ko te paura kohuke ranei kua whakakiia mo nga kirihou koiora hei PLA, PBAT, PBS, PPC, PCL, TPS me PHA etc.
Ko te tono angamaheni hei koranu kirihou, te maaka kua whakakiia te puhui, te koiora-papatipu whakakii i te kohuke, te paura kohuke ranei kua whakakiia te puhui mo nga kirihou koiora hei PLA,PBAT,PBS,PPC, PCL, TPS me PHA etc.