awa rapa whakamahia i roto i te waikawa me ngā ahumahi alkali nekeneke, ka taea e awa rapa whakakapi pukapuka tikanga whakarewa, nairona takai kirihou, te ora roa, tāutanga ngāwari, waka pūmau me te whaiaro-faatumuraa i, whakaiti nekeneke whitiki taha rere, me te tiaki a na i runga i. awa rapa atu tikanga rino takai-mahi, whakarea kākahu iti, te rahi o te iti, taimaha marama, ngāwari ki te whakakapi, me te haruru iti, mahi maeneene, tikanga production rapa takai pai ake mō te taiao mahi pakeke, te ora teitei.