puhoro kohu rereake
Ko te pūhānganga kō whatu he tūtohi matua, whakamahinga i te wā, e whakarite ana hei whakatupu i ngā mahi whakapāpaku whatu me ngā mahi tūtohi. Ko tēnei āhuarangi matua ka whakamahi i te hāwhe gas, nō muri noa ko te hāwhe, hei whakatupu i te kaha nui e hiahiatia nei ki te whakawhiti i ngā whenua whatu kino. Ki te tae mai te tūtohi, ka mahi ki runga i te mīhini pakoko tonu e whakauru ana i te kaiwhiriwhiri me te kaihamama, e hanga ana i tētahi mahi tūtohi pai e taea ana te whakawhiti i ngā whenua kino rawa atu. Nō ngā tūtohi huringa o nāianei, kei raro i ngā whakaaturanga mōhiohere, pērā i ngā pūnaha whakangaro werewere, ngā pikitanga pai-ā-waha, me ngā pūnaha whakahaere tino tika, me ēnei ka taea te whakamahi mo ngā mahi kōwhatu rahi ake hoki ko ngā kaupapa hanga iti. Ko te hanga o te tūtohi ka kitea i te motokā pai, i ngā pikitanga tūmanako, me ngā pūnaha whakaroto kōwhatu e āwhina ana ki te whakakore kōwhatu i te wā o te mahi. Kua hanga ēnei tūtohi hei mahi haere tonu i waenga i ngā āhuatanga taiao e rerekē ana, mai i ngā kōwhatu huringa ki ngā hanga tahataha. Kei te whakapai ake te hunga matauranga mō ngā tūtohi kōwhatu huringa, me ngā momo hou e paunga ana i te whakatipu pai o te hāwhe, i te hē o ngā reo, me ngā tohutohu haumaru whakapai. Ko tana whanaketanga ka whakaora i a ia hei mea kaua e taea te whakakore i a ia i waenga i ngā mahi e rahi ana, mai i te hanga ruaheketanga me te kōwhatu ki ngā mahi pūtake me ngā kaupapa hanga noa.