Nā ngā whakarae UV i whakahouhia ētahi rorohiko, nā te tuku atu i tētahi huarahi kawa, wehi, me te pai rawa mō te mahi i runga i ngā raraunga. Ko ēnei whakarae e hanga ana i te tikanga o te whakamahi i te ūraea (UV) mō te whakatauki i tētahi take momo rere ki roto i ngā raraunga kei te whakapai, ka huri ia i a ia i tētahi wāhi maero ki runga i tētahi rākau whakapai i waenganui i ngā heke kotahi rā. Ki roto i te rorohiko tuhinga, ko ngā whakarae UV e hiahia ana ki te whakatū i ngā pūtake tuhinga. He mea nui ngā inki whakapai UV. Ka drie ā rātau i te noho i te ūraea, ka noho whakaawe te hīrau i ngā take whakapai hoki i te wā e whakamahia ai ngā momo whakapai matua e hīrai ana i te wā e puta ai te wai. Ko tēnei e whai ana i te whakatinana i te wā e hanga ai, engari e iti ana hoki i te takutaku me te whakawhiti inki i te wā e whakapai ai. Ko ngā inki whakapai e kitea nei e pai ana i te whakaritenga i te koreka, i te whakaritenga i ngā rongoā, me te whakarite i te maha o ngā wā. Kia taea te whakamahi i ēnei inki ki te tuhituhi i ngā lepe, i ngā pakiri, me ngā rautaki whakapuhikitanga, ka taea te whakamahi i ngā tae whakahirahira me ngā taiao tino mā. Ki roto i te rorohiko kapu, ka whakamahi ngā whakarae whakapai UV ki te hanga i ngā kapu pai me ngā kapu pai. Ka taea te whakamahi i ngā kapu whakapai UV ki runga i tētahi wāhanga whakarite, inaianei ko te rakau, ko te parapa, ko te poraka, me te kurae. Ka hanga i tētahi rākau whakapai, i tētahi rākau whakangungu e whakapai ana i ngā āhuatanga mata o te wāhanga, pērā i te whakarite i te koreka, i te kore haere, me te kore rongoā. Hei tauira, ki roto i te rorohiko mea, ka taea te whakamahi i ngā kapu whakapai UV ki te whakapai i ngā upoko rakau me tētahi rākau whakanuia, ahakoa te whakapai i te wā e hokohoko ana i te wā. Ko ngā whakarae whakapai UV hoki e nui ana i te rorohiko ā-motu. Ko ngā momo whakapai me ngā momo whakapai UV e whakamahi ana ki te whakapai i ngā whenua, ki te tiaki i ngā hīrau, me te whakapai i te whakarite o ngā motu ā-motu. Ko ēnei raraunga ka whakapai ki raro i te ūraea, ka whakatupu i ngā pūtake pai mō te hanga, ka whakamahi i ngā pūtake pai mō te hanga. Ko tēnei e whai ana i te whakapai i te wā e hanga ai, engari e iti ana hoki i te whakamahi i ngā wai, me te whakamahi i ngā pūnaha pai me ngā pūnaha pai, me te whakapai i ngā momo hanga pai.