Akohia te huarahi tika ki te tāuta me te whakanoho i ngā pouaka whakamatao ahumahi kia pumau ai te mahi whakamatao. Tirohia ngā whakaritenga hauhautanga, ngā paerewa taiao tāutanga, te mokowā hau, me ngā taunakitanga hiko mō ngā pouaka whakamatao wai ahumahi.