Hei wāhanga tautoko matua mō ngā karetao ahumahi, kua noho haere te reriwe o runga hurihuri hei taputapu matua e kore e taea te whakamahi i roto i ngā awheawhe hou me tōna hoahoa hanganga ahurei me ōna painga mahi tino pai.
He rerekē i te pūnaha reriwe whenua tuku iho, ka whakamahia e te reriwe runga hurihuri he tikanga tāutanga tuanui, e pakaru ana i te herenga wāhi o te raina whakaputa, e arotau ana i te tahora o te awheawhe, ā, e whakarato ana i tētahi otinga ngāwari ake, whai hua ake hoki mō te whakaputa aunoa.
Ko te reri tuanui hurihuri, e mōhiotia ana ko te reri tuanui hurihuri, ko te ara karetao hurihuri rānei, he momo tikanga nekehanga raina e tāutahia ana ki te tuanui o te awheawhe.