Ngā Tirohanga: 0 Kaituhi: Etita Pae Wā Whakaputa: 2025-10-01 Takenga Mai: Pae
Kei te whakaaro koe ki te whakapai ake i ō tatau? Mā te whiriwhiri i ngā rauemi tika ka nui te rerekētanga.
He pakari, he maha hoki ngā whakamahinga o ngā pepa kirihou mō ngā tatau, engari ko tēhea momo te mea pai rawa atu mō ō hiahia?
I roto i tēnei pou, ka tūhuratia e mātou ngā painga o ngā pepa kirihou PVC, PETG, me te PC, hei āwhina i a koe ki te whakatau whai whakaaro.

Mō te uhi i ngā tatau, he mea rongonui ngā pepa kirihou. He pakari, he maha ngā whakamahinga, ā, he ātaahua hoki. Engari he aha ngā momo pepa kirihou e whakamahia whānuitia ana mō ngā tatau? Me ruku tātou ki ngā kōwhiringa rongonui e toru: PVC, PETG, me PC.
1. PVC (Polyvinyl Chloride)
a. He pakari, he iti hoki te utu: E mōhiotia ana te PVC mō tōna kaha me tōna utu tika. He kōwhiringa pai tēnei mō ngā kaupapa whakapaipai whare maha.
b. Ātete ki te makuku: He pai te mahi i roto i ngā taiao makuku, he pai hoki mō ngā kaukau me ngā kīhini.
c. Ngā momo whakaotinga: Kei te wātea mai i roto i ngā kōwhiringa mārama, hukapapa, me ngā tae, ka taea e te PVC te taurite ki ngā momo kāhua hoahoa.
2. PETG (Polyethylene Terephthalate Kua Whakarerekētia e te Glycol)
a. Te Māramatanga Nui: He mārama rawa ngā rau PETG, ā, he tino pai te tirohanga. Nā tēnei he mea tino pai mō ngā mahi e hira ana te tuku māramatanga.
b. Ātete Pānga: Ka taea e ēnei te tu atu ki ngā pānga pai ake i te maha atu o ngā rauemi, ā, he pai mō ngā wāhi e nui ana te haere o te tangata.
c. Ka taea te hanga i roto i te wera: Arā, ka taea te hanga i ēnei ina werahia, ā, ka taea te hanga i ngā hoahoa ritenga.
3. PC (Polycarbonate)
a. Ātete Pānga Pai Rawa: He tino pakari ngā pepa PC. He maha ngā wā ka whakamahia ki ngā wāhi e whai tikanga ana te haumaru, pērā i ngā kura me ngā whare tūmatanui.
b. Parenga UV: He maha ngā pepa PC e whai paninga UV ana, kia mārama tonu ai, kia kaha tonu ai ahakoa i raro i te rā.
c. Māmā: Ahakoa tōna kaha, he ngāwari ki te pupuri me te tāuta.
Rauemi |
Te pakari |
Māramatanga |
Utu |
Pai rawa atu mō |
PVC |
Pai |
Waenga |
Iti |
Te whakamahinga whānui, ngā wāhi e pāngia ana e te makuku |
PETG |
Pai |
Teitei |
Waenga |
Ngā hoahoa ritenga, ngā wāhi e nui ana te haere o te tangata |
Rorohiko |
Tino pai |
Teitei |
Teitei |
Ngā tono haumaru, te whakamahinga o waho |
He maha ngā painga o ngā pepa kirihou ki ngā rauemi tuku iho pērā i te rakau, i te karāhe rānei. He māmā, he ngāwari ki te tāuta, ā, he iti ake te utu. Hei tāpiri, ka taea te whakarite kia rite ki ngā rahi me ngā momo tatau motuhake.
Mā te pepa kirihou tika mō tō tatau, ka taea e koe te whakapai ake i te mahi me te ataahua. Ahakoa he pai ki a koe te utu iti o te PVC, te mārama o te PETG, te kaha rānei o te PC, he kōwhiringa tino pai mō ngā hiahia katoa.
He kirihou whānuitia te PVC , te Polyvinyl Chloride rānei, e mōhiotia ana mō tōna maha o ngā whakamahinga. Ko tētahi o ngā rauemi rongonui i roto i te hanganga me te hoahoa. He pakari te PVC, he māmā, ā, he ātete ki te makuku, he mea pai rawa atu mō ngā taupoki tatau.
1. Ngā Pepa Tatau Reti
a. Ngā Painga: He mea hanga ēnei rau mō te nekeneke maeneene, he mea tino pai mō ngā wāhi he uaua pea ngā tatau tuku iho.
b. Ngā Whakamahinga Noa: Whakamahia i roto i ngā kāpata, i ngā taupee, me ngā wehewehe rūma.
2. Ngā Pepa Tatau Mārama
a. Ngā Whakamahinga: He tino pai mō ngā wāhi e hiahiatia ana te tirohanga whānui, pērā i ngā toa hokohoko, ngā tari rānei.
b. Ngā Painga: Ka tukuna te māramatanga taiao kia rere, ā, ka noho hei ārai.
3. Ngā Pepa Kūaha Hukapapa
a. Ngā Āhuatanga Tūmataitinga: Ka huna te tirohanga i ēnei pepa, ā, he pai mō ngā wharepaku, mō ngā tari tūmataiti rānei.
b. Ātaahua: Ka tāpirihia he pā hou ki tētahi wāhi.
4. Ngā Pepa Tatau Kāpata
a. Te Pakari: I hangaia kia ātete ki te whakamahinga o ia rā, he ngāwari te horoi me te tiaki i ēnei pepa.
b. Ngā Whakaaro Tiaki: Ka ātete ki ngā karawarawa me ngā paru, kia ātaahua ai te āhua i roto i te wā.
● Te pakari: He pakari ngā pepa PVC, ā, ka taea te tu atu i te pakaru me te haehae. Ka ātete ki ngā pānga, ā, ka roa te ora mō ngā tau.
● Māmā: He māmā te pupuri me te tāuta, ka māmā ake te mahi whakahou i ngā pepa PVC. Kāore koe e uaua ki te hapai, ki te neke rānei i a rātou.
● Ngāwari: Ka taea te tapahi, te hanga āhua, me te whakarerekē mō ngā momo hoahoa. Mā tēnei ngāwari ka taea te hanga i ngā otinga auaha mō ngā tatau.
● Te whai hua o te utu: Ki te whakaritea ki te rakau, ki te karāhe rānei, he iti ake te utu o te PVC. He tino pai te utu mō tō moni.
● Ātete ki te makuku: Nā te ātete o te PVC ki te makuku, he pai mō ngā taiao makuku pēnei i ngā kīhini me ngā kaukau. Kāore e piko, e pirau rānei.
He maha ngā whakamahinga o ngā pepa PVC mō ngā tatau maha, pērā i:
● Ngā Kūaha o Roto: He pai mō ngā rūma e hiahia ana ki tētahi otinga mama engari he otinga pakari.
● Ngā Kūaha o Waho: He pai mō ngā wāhi e pāngia ana e ngā huarere, nā te ātete ki te makuku.
● Ngā Wāhi Arumoni: He maha ngā wā ka kitea i ngā wāhi hokohoko e hiahiatia ana te kitea me te pakari.
Momo Pepa PVC |
Ngā Painga |
Ngā Whakamahinga Noa |
Ngā Pepa Tatau Reti |
He maeneene te mahi, he penapena wāhi |
Ngā rūma kakahu, ngā pātio |
Ngā Pepa Tatau Mārama |
Te tirohanga nui |
Ngā toa, ngā tari |
Ngā Pepa Kūaha Hukapapa |
Te tūmataitinga me te āhua hou |
Ngā wharepaku, ngā tari tūmataiti |
Ngā Pepa Kūaha Kāpata |
He pakari, he ngāwari ki te tiaki |
Ngā kāpata kīhini, ngā wāhi rokiroki |
Ahakoa ēnei āhuatanga katoa, ko ngā pepa kirihou PVC te whiringa pai mō ngā uhi tatau, e whakarato ana i te ranunga o te kāhua me te mahi.
Ko te PETG, Glycol-modified Polyethylene Terephthalate rānei, he momo kirihou wera e whakakotahi ana i ngā āhuatanga pai rawa atu o te PET me ētahi atu kirihou. E mōhiotia ana mō tōna māramatanga me tōna pakari, ā, he mea rongonui mō ngā momo mahi, tae atu ki ngā taupoki tatau.
1. Ka taea te whakawera
a. Ko te tikanga o tēnei, ka taea te hanga ngāwari i te PETG ina whakamahanatia. Ka taea te hanga hoahoa ritenga me ngā momo tatau ahurei.
b. Ngā Whakamahinga: He mea tino pai mō te hanga i ngā āhua tatau motuhake e rite ana ki ngā hiahia hoahoanga motuhake.
2. Te Māramatanga Teitei
a. He tino mārama ngā rau PETG, ā, he tino pai te tirohanga.
b. Te Hiranga: He mea nui tēnei āhuatanga i ngā taiao e whakarei ake ana te whiti o te mārama i te wāhi, pērā i ngā toa me ngā tari.
3. He pakari, he ātete ki te pānga
a. Ka taea e ēnei pepa te tu atu i ngā pānga nui, ā, he pai mō ngā wāhi e nui ana te haere o te tangata.
b. Te Mahi: Ātete ki te ngatata me te pakaru, kia roa ai te ora ahakoa i roto i ngā taiao pukumahi.
4. Ātete Matū
a. He ātete te PETG ki ngā matū maha, ā, he pai mō ngā taiao ahumahi.
b. Te Whai Hua: Mā tēnei āhuatanga ka taea te whakamahi i roto i ngā taiwhanga me ngā whare hanga e kitea whānuitia ana te pānga o ngā matū kino.
5. Te Pūmautanga o te Wera
a. Ka mau tonu te pono o te PETG ahakoa ngā pāmahana rerekē.
b. Mahi: Nā te pumau o tēnei mea, he kōwhiringa pono tēnei mō ngā wāhi e pāngia ana e ngā piki me ngā heke o te pāmahana.
6. Te āheinga ki te hangarua
a. He kōwhiringa pai mō te taiao, ka taea te hangarua i te PETG, ka whakaiti i tōna pānga ki te taiao.
b. Ngā Painga: Mā te whiriwhiri i te PETG ka āwhina i te whakatairanga i te pumau o te hanganga me te hoahoa.
He rerekē ngā matotoru me ngā rahi o ngā pepa PETG, hei whakatutuki i ngā hiahia rerekē. Ko ngā matotoru noa kei waenga i te 0.5 mm ki te 6 mm, ā, ka taea te tono i ngā rahi ritenga kia uru ki ngā rahi kuaha motuhake.
Awhe Matotoru |
Ngā Rahi Noa e Wātea ana |
0.5 mm |
4' x 8' |
1 mm |
4' x 10' |
2 mm |
Ngā kōwhiringa ritenga |
3 mm |
Ngā kōwhiringa ritenga |
He maha ngā whakamahinga o ngā pepa kirihou PETG, ā, ka taea te whakamahi i roto i ngā horopaki maha:
● Te Whakamahinga Arumoni: He maha ngā wā ka kitea i ngā wāhi hokohoko, ka mahi hei whakaaturanga, hei pakitara wehewehe rānei, kia kitea ai te tirohanga me te whakarato ārai anō hoki.
● Whakamahinga mō ngā Whare Noho: Ka whakamahia mō ngā tatau o roto, ka whakarei ake i te ataahua me te pupuri tonu i te whai huatanga.
● Ngā Wāhi Ahumahi: E kitea whānuitia ana i roto i ngā taiwhanga me ngā wheketere, ina hiahiatia te ātete matū.
Ahakoa ēnei āhuatanga katoa, he kōwhiringa pai rawa atu ngā pepa kirihou PETG mō ngā taupoki tatau, e whakakotahi ana i te pakari, te ataahua, me te maha o ngā whakamahinga.
Ko te Polycarbonate, e whakarāpopototia ana ko te PC, he kirihou wera-teitei e mōhiotia ana mō tōna pakari me tōna ngāwari ki te whakamahi. He whiringa rongonui i roto i ngā momo ahumahi nā tōna kaha me tōna mārama. He mama ngā rau Polycarbonate engari he tino pakari, he mea pai mō ngā taupoki tatau.
1. Ātete Pānga Pai Rawa
a. E mōhiotia ana ngā rau PC mō tō rātou kaha ki te tu atu i ngā pānga pai ake i te karāhe.
b. Ngā Whakamahinga Haumaru: Nā tēnei ka tino pai mō ngā taiao e whai take ana te haumaru, pērā i ngā kura me ngā whare tūmatanui.
2. Te Parenga UV
a. He maha ngā pepa PC e haere mai ana me te ārai UV kua whakauruhia ki roto.
b. Te Roa o te Ora: Ka āwhina tēnei āhuatanga ki te ārai i te kōwhai me te pirau, kia roa ake ai te ora i ngā wāhi o waho.
3. Māmā, ā, he ngāwari ki te whakahaere
a. Ki te whakaritea ki te karāhe, he mama ake te polycarbonate.
b. Ngā Painga: Mā te ngāwari o te whakahaere ka māmā ake te kawe me te tāutanga, ka penapena i te wā me ngā utu mahi.
4. Whānuitanga o ngā Matotoru
a. Kei te wātea ngā rau PC i roto i ngā matotoru rerekē, hei whakatutuki i ngā hiahia rerekē.
b. Ngā Kōwhiringa: Ko ngā matotoru noa kei waenga i te 1 mm ki te 12 mm, e āhei ai te hoahoa me te whakamahinga.
5. Te Rahi Ritenga
a. Kei te wātea noa ngā rahi kāore i te paerewa, kia māmā ai te kimi i te rahi e tika ana mō tētahi tatau.
b. Te Wātea: Mā ngā kōwhiringa ritenga ka taea te whakauru i ngā hoahoa ahurei me te kore e whakararu.
He whānuitia te whakamahinga o ngā pepa kirihou PC i roto i ngā momo tono tatau, tae atu ki:
● Ngā Wāhi Tauhokohoko: He maha ngā wā e whakamahia ana mō ngā toa me ngā pouaka whakaaturanga, e whakarato ana i te tirohanga me te whakarite i te haumaru.
● Ngā Taiao Ahumahi: He mea noa i roto i ngā wheketere me ngā whare putunga, he mea nui te roa me te ātete ki te pānga.
● Whakamahinga Whare: He pai mō ngā tatau pātio me ngā tomokanga māra, he ranunga o te kāhua me te mahi.
Āhuatanga |
Whakaahuatanga |
Ātete Pānga |
He pai ake i te karāhe, he pai mō ngā mahi haumaru |
Parenga UV |
Ārai i te kōwhai, he pai mō te whakamahi i waho |
Taumaha |
He māmā, he ngāwari hoki te whakahaere |
Awhe Matotoru |
1 mm ki te 12 mm |
Rahi Ritenga |
Ngā rahi kore paerewa e wātea ana |
He kōwhiringa pai rawa atu ngā pepa polycarbonate mō ngā taupoki tatau, e whakakotahi ana i te haumaru, te pakari, me te ātaahua. Ka tutuki i a rātou ngā momo hiahia puta noa i ngā horopaki rerekē, ka waiho hei kōwhiringa maha mō te hunga e hiahia ana ki te whakapaipai i ō rātou wāhi.
I te wā e whiriwhiri ana i te pepa kirihou tika mō ngā taupoki tatau, he mea nui kia whakatauritehia ngā āhuatanga matua o te PVC, te PETG, me te PC. He kaha me he ngoikore o ia rauemi, e pā ana ki te utu, te pakari, te ataahua, me ngā whakaaro taiao.
1. PVC
a. Utu iti: Ko te PVC te kōwhiringa tino pai rawa atu i te tahua.
b. Ngā Kōwhiringa e Pai ana ki te Tahua: He whānuitia te whakamahinga i roto i ngā momo tono, e wātea ana mō ngā kaupapa maha, me te kore e pakaru te putea.
2. PETG
a. Utu me te Mahi: Ahakoa he iti ake te utu i te PVC, he pai te taurite o te kounga me te utu e tukuna ana e te PETG.
b. Tātaritanga: Nā te pakari me te mārama o te rauemi, he pai te haumi mā te hunga e rapu ana i te mahi tino pai.
3. Rorohiko
a. Whakamārama mō te Utu Nui: He nui ake te utu o te polycarbonate.
b. Haumaru me te Pumau: E tika ana te haumitanga nā tōna ātete pai ki ngā pānga me te roa o te wā e whakamahia ana, inā koa i roto i ngā taiao uaua.
1. PVC
a. Ngā Painga: Ātete ki te makuku, ā, ngāwari ki te tiaki.
b. Ngā Here: Ka pakarukaru pea i roto i te wā, inā koa i ngā pāmahana tino kino.
2. PETG
a. Mahi: He pai te mahi i raro i ngā āhuatanga rerekē, tae atu ki ngā piki me ngā heke o te pāmahana.
b. Ngā mahi maha: Nā tōna ātete ki ngā pānga, he pai mō ngā mahi o roto, o waho hoki.
3. Rorohiko
a. Pai rawa atu mō ngā taiao tino kino: He tino pai te polycarbonate i roto i ngā āhuatanga uaua, e tuku ana i te kaha me te ātete kore e taea te whakataurite ki te pānga.
b. Te Roa o te Ora: He mea tino pai mō ngā wāhi e nui ana te haere o te tangata, mō ngā wāhi rānei e pāngia ana e te huarere kino.
● PVC: Kei te wātea i roto i ngā tae me ngā whakaotinga rerekē, ka taea e te PVC te whai i te āhua o te rakau, o te whakarewa rānei, kia pai ake ai te ngāwari o te hoahoa.
● PETG: E mōhiotia ana mō tōna māramatanga teitei, he āhua hou, he ātaahua hoki te PETG. He tino pai mō ngā wāhi e hiahiatia ana te tirohanga whānui.
● PC: He āhua hou, ā, ka taea te whakamahi tae, te mārama rānei, kia pai ai mō ngā mahi huatau.
1. PVC
a. Te Oranga Tonu: Kāore i te tino pai te PVC mō te taiao nā te tukanga whakaputa.
b. Ngā Kōwhiringa Hangarua: Ahakoa ka taea te hangarua, he uaua te tukanga.
2. PETG
a. Te Oranga Tonu Pai Ake: He pai ake te PETG mō te taiao, ā, he māmā ake ngā kōwhiringa hangarua.
b. Te āheinga ki te hangarua: Ka taea te whakamahi anō hei hanga hua hou, hei whakaiti i te para.
3. Rorohiko
a. Ngā Whakaaroaro Taiao: He pakari te polycarbonate, arā, he roa ake te ora, ā, kāore e hiahiatia he whakakapinga.
b. Te hangarua: Ka taea hoki te hangarua, engari kei te whanake tonu te hanganga mō te hangarua i ngā rorohiko.
Āhuatanga |
PVC |
PETG |
Rorohiko |
Utu |
Tino utu iti |
Waenga |
Teitei ake |
Te pakari |
Ātete ki te makuku |
He ātete pānga pai |
Ātete pānga pai rawa atu |
Ataahua |
Ngā momo whakaotinga |
Te māramatanga teitei |
Āhua o nāianei |
Pānga ki te Taiao |
Kāore i te tino pai ki te taiao |
He pumau ake |
He pakari engari he whanaketanga hangarua |
Ko te whiriwhiri i te pepa kirihou tika mō ngā taupoki tatau me whai whakaaro ki ēnei āhuatanga. He rerekē ngā painga o ia rauemi, kia kitea ai e koe te mea tino pai mō ō hiahia.

Kua piki haere te rongonui o ngā pepa kirihou i roto i ngā tono tatau, nā te mea he maha ngā whakamahinga me te mahi. Me tūhura tātou ki hea e whakamahia ai ēnei rauemi, me pēhea te auahatanga a ngā kaihoahoa, me ngā tauira motuhake o ngā kaupapa e whakaatu ana i te PVC, PETG, me te PC.
1. Ngā Whakamahinga Whare Noho
a. Ngā Kūaha o Roto: He maha ngā whakamahinga o ngā pepa PVC mō ngā kūaha o roto nā te mea he iti te utu, ā, he ātete hoki ki te makuku. He tino pai mō ngā kaukau, mō ngā kīhini rānei.
b. Ngā Tūru o te Patio me te Māra: He tino pai te tirohanga me te pakari o ngā pepa PETG, he mea tino pai mō ngā tatau patio e hono ana i ngā wāhi o roto, o waho hoki.
2. Ngā Whakamahinga Tauhokohoko
a. Ngā Toa: He maha ngā pakihi e whakamahi ana i ngā rau polycarbonate (PC) mō ngā toa. Mā te ātete ki ngā pānga ka noho haumaru, ā, ka mau tonu te āhua maeneene.
b. Ngā Whare Tūmatanui: I roto i ngā kura me ngā hōhipera, ka whakamahia ngā pepa PVC me ngā pepa PC hei hanga i te haumaru me te roa o te ora, ā, ka whakaratohia he otinga haumaru, he roa hoki te mau.
● Kaupapa PVC: I tāutahia e te whare takaro ā-rohe ngā tatau PVC ki roto i ngā rūma kakahu hei ārai i te makuku me te pakaru. He ngāwari te horoi me te tiaki i ēnei tatau.
● Kaupapa PETG: I whakamahia e tētahi wharekai hou ngā whāriki PETG mō tōna tomokanga. Nā te mārama o te PETG ka taea e te māramatanga taiao te whakakī i te wāhi, ka whakarei ake i tōna āhua.
● Kaupapa PC: He whare toi e whakamahi ana i ngā pepa PC mō āna pouaka whakaatu. Mā te ātete pānga teitei ka tiakina ngā mahi toi whai hua, ā, ka mārama hoki te tirohanga.
Kei te kimi ngā kaihoahoa i ngā huarahi auaha hei whakauru i ngā pepa kirihou ki roto i ngā hoahoanga hou. Anei ētahi tauira:
● Ngā Pakitara Wehewehe: Ka whakamahia ngā pepa PC mārama hei hanga i ngā pakitara wehewehe huatau i ngā wāhi tari tuwhera, e tuku ana i te mārama kia rere me te whakarato i te tūmataitinga.
● Ngā Tāutanga Toi: Ka whakamahia e ngā kaitoi ngā pepa PETG hei waihanga i ngā tāutanga whakamiharo e takaro ana ki te mārama me te tae, e huri ana i ngā wāhi hei wheako rumaki.
● Hoahoa Tauwhiro: Kei te tūhuratia e ētahi kaihoahoa ngā pepa kirihou hangarua hei otinga tatau e pai ana mō te taiao, e whakaiti ana i te para me te whakatairanga i te tauwhiro.
Rauemi |
Whakamahinga Whare |
Whakamahinga Tauhokohoko |
Hoahoa Auaha |
PVC |
Ngā tatau o roto, ngā rūma raka |
Ngā whare tūmatanui, ngā tatau utu iti |
Ngā pakitara wehewehe |
PETG |
Ngā tatau patio, ngā tomokanga ki te wharekai |
Ngā toa hokohoko |
Ngā whakaurunga toi |
Rorohiko |
Kāore he |
Ngā pouaka whakaatu, ngā tono haumaru |
Hoahoa pumau |
Kei te hurihia e ngā pepa kirihou ngā tono tatau puta noa i ngā rāngai maha. Nā te ngāwari ki te urutau, te ātaahua, me te mahi pai, he mea nui ēnei mō ngā kaupapa noho me ngā kaupapa arumoni.
A: Whakaarohia te pakari, te utu, te ataahua, me te pānga ki te taiao. He rerekē ngā painga o ia rauemi (PVC, PETG, PC) mō ngā whakamahinga rerekē.
Āe, he pai ngā rauemi pēnei i te PETG me te PC mō te whakamahinga o waho nā te mea he ātete ki te huarere me te roa.
A: Horoia ki te hopi ngawari me te wai. Āta karohia ngā kaihoroi whakakoi hei ārai i te rakuraku.
A: Ae! Ka taea te tapahi i ngā rau kirihou kia uru ki ngā rahi tatau ritenga.
A: Ka ātete te PVC, PETG, me te PC ki ngā pānga, ā, ka āwhina i te whakarei ake i te haumaru i roto i ngā momo mahi.
A: He ātete te PVC ki te makuku, he mārama, he pakari hoki te PETG, ko te PC ia he tino pai i ngā āhuatanga tino kino.
te whiriwhiri i te pepa kirihou pai rawa atu mō te uhi tatau kia roa ai te mau me te ātaahua hoki. He mea nui
Whakarāpopototanga o ngā Kaupapa Matua: He utu tika te PVC, ā, he ātete ki te makuku. He mārama te PETG, he ātete hoki ki te pānga. He tino pai te PC i roto i ngā āhuatanga tino kino.
Ngā Taunakitanga Whakamutunga: Whakaarohia ō hiahia motuhake, pēnei i te wāhi me te whakamahinga. He pai te PVC mō ngā whakamahinga o roto, ko te PETG me te PC he pai ake mō ngā whakamahinga o waho me ngā wāhi e nui ana te haere o te tangata.