Nga painga
Ko tetahi waahanga, he pai ki te tono, kaore he paitini me te kakara ka iti ake i muri i te rongoa, te matomato me te taiao
He pai te hototahitanga o te hiri hou me te whakamahi, he ngawari ki te whakatika
Ko te makuku-whakaora, kaore he pakaru, karekau he whakaheke i muri i te rongoa
He pai te koroheketanga, te wai me te hinu, te aukati ki te wero, te moldiness
He pai te extrudability, ngawari ki te raraku mahi tuitui
He pai te hono ki nga taputapu maha, kaore he waikura me te parahanga ki te taputapu