Ko te hoahoa aratika o nāianei e here ana ake i ngā matapae e taea ai te tino kino o te taiao, i te wa e pupuri ana i te ataahua me te kounga o te hanganga. Ngā papahua o waho ko ngā mea e whakahuatia ana hei wāhanga matua i tēnei kaupapa, hei aki kaihau mō ngā wāhi o roto me ngā kaha pēhia atu e te taiao. Ko ēnei taputapu hangarau motuhake e tūpono ana ki te pānga haere tonu mai i te rama UV, te urutomo o te waimanawa, ngā panonitanga o te mahana, me ngā kirihou kekē anuanu e taea ai te whakarohe i tō rātou mahi i te wā. He mea nui te mārama ki te āhua e pupahi ai ēnei papamōhiotia ki te whakaitenga o te taiao mō ngā kaiārahi, ngā kaihoko, me ngā kaiwhakahaere whenua e hiahia ana ki ngā ratonga roa mō ngā wāhi takotoranga o waho, ngā tāpae takotoranga mātua, me ngā wāhi arataki tōmuri.

Te Pūtaiao Matū mō te Pupahi ki te Rama UV
Ngā Kukumi Karaihe Matua me ngā Tiriti Muka
Ko te takotoranga o te uhi i te UV i ngā papahua tūāpapa waho ka timata ki te rāwekenga kotahi me ngā uhi paraihe pēnei i te PVDF me te FEVE, e hanga ana i tētahi ara kore-puta e whakaputa ana i ngā roimata kino UV ake, i te pupuri i te tae me te ahunga o te mata. Ko te hanganga kotahi o ēnei uhi he whai mōhio ki te kīmika e huinga ana i te nergita UV, ā, ka whakaputangia hei maimoa noa, kia kaua e uru atu te ra ki roto ake ki te papahua.
Ko ngā tikanga whakawhanaketanga mō ngā kōtinga e pātata ana ki te UV kei te whakamahi i ngā tikanga tohatoha tika, pērā i te rohirihori electrostatic, te kōtinga paraihe, me ngā rākau kōtinga reka e whakarite ana i te takotoranga ōrite me te pāhua pai. Ka uru ngā kōtinga nei ki ngā whiu whakamatautau huarere e whakamātau ana i ngā tau maha o te noho a te rā i ngā taiao rāwekenga taketake. Ko ngā paparanga tūāpapa waho kounga he maha ngā rākau kōtinga, ko te nuinga ko te kōtinga tuatahi mō te pāhua, te kōtinga tae mō te āhuatanga, me te kōtinga tiakina maama e tu ana hei aitua matua mo te UV. Ko tēnei tikanga anuanu e tuku ana i te tiaki taunoa, ā, ka roa ake te ora o ngā paparanga tēnā i ngā kōtinga kotahi.
Tīpako Mātai Tūāpapa mō te Pakari o te Rā
Ko te whiriwhiringa i te matā o te papamuri e whakatau ana i te ara e uru ana ai ngā paparanga tūānui ki te noho tūmatawhā a roto i te UV me ngā pānga taiao. Ko ngā paraire huarau he tikanga mōhio mō ngā whakamahinga tūānui nā te āhua herekau, te pūmahara o te āhuatanga i raro i ngā panonitanga o te wera, me te āhua whakawhitinga wera. Ko te hanganga karaiti o te huarau e hāuna ana i tētahi wāhanga nui o te ra, ka iti ake te kīmonga wera ki ngā takotoranga tiaki, ā, ka roa ake te ora. Ko ngā paraire huarau tiketike e whakamahia ana i ngā paparanga tūānui kounga ka pa ki ngā tikanga taputapu wera e whakapakari ana i ō rātou pūmanawa me te āhua pakaru ki te koroi.
Ētahi atu matā papamuri kei konei ko te pereki whatumanawa, ngā huinga hangarua, me te rakau kua whakarerekengia hUA ka whai āhuatanga me ngā here rerekē ia, mō te pānga ki te ao UV. Ko ngā papahana karaihe karaihe he karaihe UV-stable i roto i tō rātou matapapa, ka tiakina ai te tae ahakoa te wear o waho i te wā roa. Ko ngā hua hangarau hou e huinga ana i ētahi atu wae, kia eke ki ngā āhuatanga mahi motuhake, e tīmata ana ko ngā paraihe e aukati ana i te UV, ngā aukati māhu, me ngā wae e whakahaere ana i te whānuitanga o te wera. Me mātua whakaaro ngā take penei i ngā coefficient o te whānuitanga o te wera, ngā tere herehere māhu, me te ū ōrite ki ngā rākau tiaki kia whai mahi roa i ngā taiao waho.
Ngā Tikanga Whakahaere Māhu me te Aukati i te Wai
Ngā Pūnaha Tukutuku Kua Amo me te Hoahoa Hōuki Wai
Ko te whakahaere iho tika i te pouri i ngā paparanga o waho e hiahiatia ana he aronga matatau e aro atu ana ki te urupare ki te wai, te whakahaere iho i te pukupuku, me te maroke pai. Ko ngā punaha papa o nāianei ka whakauru i ngā āhuatanga mōhio kia wehe ai te wai e whakamahi ana i te taumira me te hiako mata kia horoi i te wai i ngā hononga me ngā waenganui e mateke ana. Ko ēnei āhuatanga kei te āhua āhuapae, ngā ara, me ngā tapa whakapae e pehi ana i te kohinga wai, ā, ka whakakore i ngā tikanga wai e taea ai te tipu o ngā koiora, i te kino ranei o te matū. Ko te hoahoa ā-āhua o ēnei punaha ka arotahi ki ngā tau o te ua e puri ana mai ana te hau, kia kaua ai te wai e kī atu ki roto o ngā paparanga ahurangi, ā, hoki pea i ngā putanga huawhenua.
Ko ngā pūnaha here kua pakaru he wāhi matua nui ki te ārai i te rūhau mā te whakakore i ngā wehenga e toro ana i te arai ahuwhēnua matua. Ka whai mātai tēnei pūnaha i ngā tikanga here mekameka, kāpia ranei, ā, ko ngā karuahi me ngā huinga e whai wāhi ana ki ēnei whakamōhio me whakaatu i te mahi roa o te hinu me te here i raro i te kōmarurahu UV me ngā putanga o te kiko. Ko ngā paparanga taumata waho matua kei reira ngā rāwekenga tuarua me ngā arai rūhau tuatahi me tuarua e tuku ana i te tiaki takitahi ki te ārai i te urunga o te wai.
Te Tekonolohi Ararauta Kākāhu me te Whakahaere Huka
Ko te whakahaere i te mātai aitua o te hau kōpiko anuanu kei waho i ngā paparanga takotoranga ka hiahiatia ngā hangarau arataki matatau e whakahaere ana i te kōpiko engari e tuku ana i te mātai aitua kia neke. Ko ngā pūnaha arataki anuanu hou e whakamahi ana i ngā memepa rorohe iti e whakahaere ana i te uruta o te wai, engari e tuku ana i te aitua kia puta, kia ārai ai i te kohikohinga o te anuanu ki roto i ngā huinga paparanga. Ka pupuri ēnei pūnaha arataki e whakarewa ana i te taurite pai o te anuanu, ā, ka ārai i te hanga o te kōpiko e māmā ai te tipu o te rewharewha, te korairi, i te vanga rānei o te hanganga. Ko ngā āhuatanga tuhinga o ēnei arataki ka tāutuhia tinihanga kia rite ki ngā tikanga taiao motuhake me ngā here paerewa mō ia whakaurunga.
Ko te whakahaere i te tūponotanga o te pātiki he āhuatanga anō hoki matua taketake ki te whakahaere i te pātiki ki ngā paparanga o waho. Ko ngā arawhata makariri e āwhina ana i ngā hononga hanganga, i ngā punaha tāpoka rānei e hāngai ai ki ngā panonitanga ohi ahi e hāunga ai te pātiki. Ko ngā punaha paparanga matatau ka whakauru i ngā wā kākā, i ngā takotoranga whakamātautau, me ngā tikanga wehe hanganga e iti ake ai te nekehanga o te wera, ā, ka pupuri i ngā wāhi makariri. He nui te take o ēnei āhuatanga hoahoa ki ngā rohe āhuarangi e nui ana ngā panonitanga ohi ahi, i ngā rohe hoki e onge ana te pātiki.
Ngā Tāwhaiwainga Paerenga me ngā Tīmataka Whakamarie Kikoikoi
Ngā Tikanga Pānuitanga Mariko me te Tāwhaiwainga Manawa
Kua whakamāoritia te noho tūpono o ngā paparanga tāraiwa taiao ki te pānga ki te kōmaru UV me te hau mātai, ka whakamahia ngā tikanga whakamātau matatau e whakakīa ana i ngā tau maha o te pānga taiao ki ngā wā poto ake. Ka uru ngā rūma whakapērā ki ngā paparanga ki ngā piko UV whakahaere, ngā mahi panonitanga o te kiko, ngā panonitanga o te pouri, me ngā pānga karuwha e piki ake ake i ngā pānga taiao arataki. Ka whakamahi ēnei whakamātautau i ngā rama xenon arc kua tohua, i ngā puka ranei UV māpango e āhua ana i te haora rā, ina ko ngā roa-wavelength e hāpai ana i te kino. Ko ngā tikanga whakamātautau e arataki ana ki ngā tīmataka iraotahi pērā i te ASTM G154, ISO 4892, me ngā whakaritenga AAMA hei whakarite kia ū ake, kia ōrite hoki ngā hua mō ngā kaihanga rerekē me ngā momo hua.
Ko ngā inenga whanaketanga kauainga mai i ngā tāwhai huarere e whai ana i ngā ine i te pūmahara o te tae, ngā uara pūmahara mārohirohi, te kaha here whenua, me ngā āhuatanga o te whanonga o te rahi. Ka ineia ēnei āhuatanga i ngā wārangi tonu i te roanga o te tāwhai kia āhua ai ngā tere warewarenga, me te tārai i ngā āhuatanga mahi ake i ngā tau maha. Ko ngā paparua taumira tikangia mō te wāhi waewae koiora e whakaatu ana i te iti rawa o te panonitanga tae i muri i te pānga e ōrite ana ki te 10-20 tau o te parurenga tūmatanui, ā, ko te pūmahara mārohirohi e neke ake ana i te 50% o ngā uara tuatahi. Me hoki tonu te here whenua o te ripa ki runga ake i ngā tahumaero tohua, ānoa i ngā pānga matarohia, kia tiakina ai ngā takotoranga tiaki ki ngā matērahi taketake i te roanga o te ora ratonga.
Te Whakamāoritanga Mahi I Te Ao Tūmatanui me Ngā Tāwhai Tūwaho
Ko te whakamātau taiwhanga e tuku ana i ngā raraunga tuatahi matua, engari ko te whakamāoritanga o te mahi i te ao whaiaro trangahia hoki e ngā kaupapa e noho ana i waho e tuku ana i ngā mōhio hou mō te pānga o ngā paparua taumaha ki ngā tikanga taiao pono. Ko ngā kaupapa e uru ana ki te whakauru i ngā paparua whakamātau ki ngā wāhi rereke e tohu ana i ngā rohe āhuarangi rereke, ngā rahi o te para, me ngā tikanga kaha o te ra. Ko ngā tikanga whaiaro e whai haere ana i te mahi a ngā paparua i te wā roa, e tuhia ai ngā panonitanga i te āhua, ngā ītao mekaikai, me ngā ītao manawaroa. Ko ngā raraunga i waho nei e hoatu ana i te whakautu mō ngā whakapai ake i ngā matū, ā, e whakamāoritia ana hoki i ngā tikanga whakamātau tere.
Ko ngā kaupapa whakamaru kounga mō ngā papaamuri o waho e torotoro ake ana i te whakamātautau matū tuatahi ki te whai mōhio ki te tino rite o te hanga, ngā tikanga whakauru, me ngā here herekore. Ko ngā tikanga whakahaere pūnaha tauira e whakarite ana kia tutuki ngā huinga whakangao i ngā paerewa mahi kua whakaturia, i te wa e tohu ai ngā aratohu whakauru i ngā tikanga tika mō te whakahaere, te whakaputanga, me ngā tikanga puipui e manawarite ana i te kounga o ngā papa. Ko ngā tikanga herekore i whanaketia mai i ngā raraunga mōhio ā-taiao e tuku ana i ngā tohutohu motuhake ki ngā kaitiaki whenua mō te horoi, te tirotiro, me te tiaki aukati e hāngai ai te roa o te ratonga me te pupuri i te whakaaetanga.
Ngā Whakaritenga Whakauru mō te Tiaki Anuanu Tino
Ngā Pūnaha Tautoko Ahumahi me te Rawa Haumi
Ko te takotoranga whakapūmau e tautoko ana i ngā papahua taumata waho he wāhi matua nui ki tōna āheinga kia herekau i ngā kaha taiao me te pupuri i te kounga tiaki i te roanga o te wā. Ko te wehenga tika o te kawenga e aki ai ngā huinga kaha parakore ka taea e ia te kino i te mahi o ngā papahua, i te waihanga anō huarahi mō te urutā o te waimārie. Me mātai ngā rāwekenga hau, ngā kaha panonitanga o te wera, me ngā kawenga noa mai i ngā mahi tiaki, pērā i te tautoko āwhina i te taumaha o ngā papahua anō, ngā punonga hanganga. E hiahiatia ana ngā punonga hītori kia whakamahia ngā karaihe tiaki, i te karaihe pūtarau rānei kia aki ai te pāwera e taea e ia te pa i te kounga hanganga, me te kirihou i ngā papahua e pā atu ana.
Ko te whakauru i ngā nekenga mātaiwaru he whakaritenga matua nui e pā ana ki te mahinga o te hanganga me te here ki te āhuarangi. Ka tūhono ngā papamotu taumata waho ki ngā panonitanga hōuha rahi e hāngai ana ki ngā panonitanga o te rahi, ka hiahiatia ngā aratohu toharite me ngā hononga elastikiki. Me pupuri ake ngā karu nei kia pupuri ai i te here ki te āhuarangi, engari kia taea ai te nekenga inaianei, e whakamahia ana he raihana elastomērika, i hangaia mō ngā tikanga takotoranga. Mā te kore e tino whakauru ngā nekenga mātaiwaru ka puta ai te kurupō o ngā papamotu, te pakaru o ngā karu, i te huinga korikori e ruarua ai te mahi i te wā roa.
Ngā Tikanga Pai Mō Te Here Me Te Whakaputa ki Te Ahuarangi
Ko te whakaritenga o ngā papahua taumata o waho e hiahiatia ana kia arotahi ki ia wāhi e horapa ai te wai, tae atu ki ngā hononga papahua, ngā hononga ā-paremete, me ngā wāhi urutau mō ngā ratonga, i te hunga hanganga rānei. Ko ngā punaha toto tuatahi e whakamahia ana ngā karaihe hanganga ranei, ngā toto ranei e hāngai ana ki te takotoranga o waho, me te maroke tonu i te roa. Me pupuri te here ki ngā mata papahua, me te ōrite ki ngā matāpuna, ā, me ngaki hoki i te tāmōtuhetanga UV, me ngā panonitanga o te wera. Ko ngā punaha toto tuarua e tuku ana i te tiaki tuarua trūnga ngā pāpā, ngā pūnaha tape, i ngā tikanga pakari rānei e aukati ai i te wehe o te wai mēnā ka porerua ngā toto tuatahi.
Ko te tōpana whakauru me ngā tikanga taiao i te wā o te whakauru papa e hāngai ana ki te mahi roa o te aukati i ngā āhuatanga auau. Ko te rite tino o te mata e whakarite ana i te kipenga pai o te kōpae, i te wa e arataki hoki ai te kiko o te wero me te hau mātotoru i te wā o te whakauru kia kaua ai te matotoru ki mua, i te kore rawa hoki o te hononga. Ko ngā āta toronga kounga e whakamātau ana i te tono tika o te kōpae, te tūranga o ngā hononga, me te mahi o te horoi i mua i te whakauru o te pūnaha. Ko ēnei tikanga whakauru e hāngai ana ki te ora roa me ngā herekoreti tiaki i ngā papa pouaka waho.
Te tiaki me te Roa Ora
Ngā Rautaki Whakahaere Mua
Kia roa te ora me te mahi pai o ngā papa tārai i waho, me whakauru ngā kaupapa tiaki aukati e whai mōhio ana ki te tiaki noa i raro me ngā āta tirotiro i ngā wā poto. Ka wehe ngā tikanga parakore i ngā oneone, ngā tipu ohaoha, me ngā kirihou takotoranga e taea ai te tere ake i te porohinga o ngā matērahi me te kino i te āhua. Ko te maha o ngā wā e parakore ana e hāngai ana ki ngā tikanga taiao, me kaha ake ngā wāhi e makū ana, i ngā wāhi e tino tipu ai ngā ohaoha. Ko ngā tikanga whakaaetia he whakamahi i ngā parakore māmā, ngā paraihe māmā, me te wai e iti ana te toki e wehe ai i ngā kirihou kaua ko ngā kōtinga tiaki, kaua ko ngā mata.
Ko ngā tikanga āta tiro i te rapu mōrearea i ngā raru e hāngai ana ki te pāga o te kiri, te wareware o te kohikohi, te pirau mā te takotoranga, i te raru o te whakapō, ka taea hoki e ngā raru nei te whakaroa i te mahi a te punaha. Ka mahia ēnei āta tiro mā te tau kotahi, ko te haurua tau rānei, ā, ko te nuinga o te wā e hāngai ana ki te rereketanga o te taiao me ngā tohutohu a te kaihanga. Ko te tuhinga i ngā huringa o ngā āta tiro e hoatu ana he raraunga nui mō te tātai ake i ngā huringa, ā, e āwhina ana i te whakapaipai i te hōtaka tiaki. Ko te whakatika i ngā raru iti i te tīmatanga ka aukati i te pirau haere ake, ka roa ake hoki te ora o te punaha katoa, ā, ka mau tonu te tiwhikete tiaki.
Te Manaaki Tūmatanui Roa
Ko ngā punaha whai mōhio matatau mō ngā paparanga taumira waho e whakamahi ana i ētahi rerekē huarere hei whai i ngā ahuatanga mahi me te tātari i ngā here whakahaere. Ko ngā punaha whakaahua matihiko e tuhia ai ngā panonitanga āhua i te wā, e tuku ana i ngā raraunga takotoranga mō te pupuri tae me te hororongo o te mata. Ko ngā pūpahi whai mōhio taiao e tuhia ai ngā tikanga huarere, ngā rahi kōmarurua UV, me ngā kōnehu parae e pa ana ki te tere whakakao o ngā paparanga. Mā tēnei raraunga ka taea te tātari i te wā whakahaere e based ana ki ngā tikanga noa o te taiao kaua ko ngā wā tuarangi whānui.
Ko te tātai aronga ki te mahi pai e āhua ana i ngā tauira i te whanonga o ngā papa e hāpai ai te whakapaipai ake i ngā tikanga tiaki, ā, e arataki hoki i te kōwhiringa matēria mō ngā kaupapa e whai ake nei. Ko ngā pūnaha e whakaatu ana i te mahi pai ake i raro i ētahi tikanga taiao e tuku ana i ngā paerewa uaua mō te hanganga tohu. Ko ngā raraunga roanga-roa hoki e whakamārama ai i ngā kī o ngā kaihanga mō te mahi pai, ā, e tautokohia ana ngā whakatau pītiotio, e waihangahia ana he horopaki takirua e taraiwa ai te whakapai ake tonu i te anga mātai papa tārai whenua.
FAQ
E hia te wā e ora ai ngā papa tārai whenua mātai i te pānga ki te iraruke UV?
Ko ngā papahua kauhui taiao tikangia me ngā karapiko UV tika e pupuri ana i te anga o raro me te māmātanga ā-tātai mō te wā o 15-25 tau ki ngā tikanga taiao noa. Ko ngā papahua paraihe matariki me ngā karapiko fluoropolymer e taea ai te toronga o te wā pērua tekau mā toru tau rānei kaore he iti noa te hohoro. Ko te wā tonu e whai ana te anga i ngā āhuatanga takotoranga, koiora, marino, tikanga tiaki, me te kounga tuatahi o te matū. Ka taea e ngā papahua kei ngā rohe teitei, ngā rohe rama rānei te kite i te putanga aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha aha a......
He aha ngā tohu noa ka taea te kitea i ngā papahua kauhui taiao e hinga ana nā te mātai whakakaha?
Ko ngā tohu tuatahi o ngā mate e hua mai ana i te wetness ki ngā papahana tūāpapa taiepa ko ngā panonitanga āhua, ngā itiwha ranei ki ngā wāhi hono me ngā tapa, te kōhuruhuru, te rākau ranei e kitea ana, te pātiki, te wehe rānei o te takotoranga, me te māmā o ngā taputapu hono, i te hanganga rānei. Ko ngā mate anui ake pea ko te whakarara o ngā papahana, te wehe o ngā takotoranga, i te urunga o te wai rānei ki ngā wāhi roto. Ka taea te kite i ngā take iti i te tīmatatanga mēnā ka tirohia tō muri, ka taea ai te maimai i mua i te nuinga o ngā take e hiahiatia ai te whakakapi.
Ka taea te maimai i ngā papahana tūāpapa taiepa mēnā kitea ai te marino UV, te wetness rānei?
Ka taea te whakatika i ētahi huarahi maha o te kino o te ao me te wetness ki ngā paparanga o waho mā te whakamahi i ngā tikanga whakaora tika. Ka taea te whakatika i te hekenga iti o te kōtinga mā te horoi, te tūhono ai i te mata, me te whakaputa anō i ngā matērihia e ū ana. Ko te whakakapi i te kōnaungia e whakatika ai ngā raru o te uru mai o te wetness, ko te hekenga hiko ka hiahiatia pea te tapahi papa, ko te whakakapi kōwhiri rānei. Heoi anō, ko ngā mamae nui, ko ngā tauwhitinga herenga herenga e tohu ana kei te hiahiatia te whakakapi tōtōtanga kia tiakina ai te mahi tūtonu ake.
He aha te noho wehe e tūtohua ana mō ngā paparanga o waho i ngā taiao pīrau?
E hia anō pea ngā tirohanga ā-taupunga o ngā paparanga o waho i ngā taiao pīroiro, pērā i ngā rohe takutai, ngā rohe ahuwhenua, i ngā wāhi tāone e rere ana te paru; ā, ko ngā tinihanga matatau haurua tau anō e whai mātātoko ana i te horoi me te tirohanga ki ngā kōpae. Mā te taiao noho ake pea ngā wā o ngā tirohanga haurua tau, ā, mā te tau anō pea ngā tinihanga. Ko te mea nui he tautapa tētahi kaupapa herehere e pā ana ki ngā tikanga o te wāhi, ā, whakarerekē ai i te maha o ngā wā e pā ana ki ngā huringa i kitea ai, me ngā tohutohu mai i te kaihanga.
Rārangi Kaupapa
- Te Pūtaiao Matū mō te Pupahi ki te Rama UV
- Ngā Tikanga Whakahaere Māhu me te Aukati i te Wai
- Ngā Tāwhaiwainga Paerenga me ngā Tīmataka Whakamarie Kikoikoi
- Ngā Whakaritenga Whakauru mō te Tiaki Anuanu Tino
- Te tiaki me te Roa Ora
-
FAQ
- E hia te wā e ora ai ngā papa tārai whenua mātai i te pānga ki te iraruke UV?
- He aha ngā tohu noa ka taea te kitea i ngā papahua kauhui taiao e hinga ana nā te mātai whakakaha?
- Ka taea te maimai i ngā papahana tūāpapa taiepa mēnā kitea ai te marino UV, te wetness rānei?
- He aha te noho wehe e tūtohua ana mō ngā paparanga o waho i ngā taiao pīrau?