He kaitohu tiakina whai waahanga mātau i ngā tikanga whakahaere haumaru me ngā rautaki motuhake hei tiaki i ngā tāngata me ngā rawa nui. I te wā roa, kua whakawhirinaki i a au ki te tautoko i ngā rawa o ngā whakahaere nui i te ao pae me te ao kaimahi tuku iho. Ko tāku he rangahau, hoahoa me te whakamana i ngā rautaki kia pai ai te whakakaha i te haumaru ā-ipurangi, a-rohe hoki. He pākiki ahau ki te kimi rongoā hou hei whakatutuki i ngā tongi haumaru me te whakaiti i ngā raruraru haumarutanga.