Hoahoa Tīwiri: Ko te tīwiri mō te whakaputanga kiriata pupuhi he mea hanga noa hei tīwiri "whāngai kōhao". He hohonu ngā rerenga me ngā kōhao i tōna roa hei whakahaere i te rewa pai o te kapia, te whakaranu, me te kawe. Ka rerekē pea te hohonutanga me te nekehanga rere i runga i te rauemi motuhake e tukatukahia ana.
Wāhanga Whakaranu Ārai: He wāhanga whakaranu ārai kei ngā tīwiri kiriata pupuhi tata ki te pito o te tīwiri. Ka āwhina tēnei wāhanga ki te whakarei ake i te whakaranu o te pūmua, kia rite ai te rewa me te tohatoha o ngā tāpiringa.
Te Ōwehenga Pēhanga Teitei: He nui te ōwehenga pēhanga o te tīwiri hei whakapai ake i te ōritetanga o te rewa me te whakarato i te matotoru ōrite. He mea nui tēnei kia pai ai te pumau o te mirumiru me te kounga o te kiriata.
Te Hanganga o te Pēra: Ko te tikanga he mea hanga te pēra ki te maitai koranu kounga teitei me te maimoatanga wera tika kia pai ai te ātete ki te kakahu me te roa o te wā. Ka taea hoki te whakamahi i ngā pēra nitriding, bimetallic rānei hei whakarei ake i te ātete ki te kakahu kia roa ake ai te wā mahi.
Pūnaha Whakamatao: He maha ngā wā ka whakamahia he pūnaha whakamatao mō ngā oko tīwiri mō te whakaputanga kiriata pupuhi hei whakahaere i te pāmahana me te ārai i te wera nui i te wā o te whakaputanga.
Ngā Āhuatanga Kōwhiringa: I runga anō i ngā whakaritenga motuhake, ka taea te whakauru i ngā āhuatanga tāpiri pēnei i te ine pēhanga rewa, i te pūoko pāmahana rewa rānei, ki roto i te oko tīwiri hei whakarato i ngā āheinga aroturuki me te whakahaere.
He mea nui kia kōrero koe ki tētahi kaihanga, ki tētahi kaiwhakarato rānei o tētahi oko tīwiri rongonui, kia mōhio ai koe kei a koe te hoahoa oko tīwiri e tika ana mō tō whakamahinga kiriata pupuhi PP/PE/LDPE/HDPE. Ka taea e rātou te tuku tohutohu a te tohunga i runga i ō hiahia whakaputa motuhake, ngā āhuatanga rauemi, me ngā whakaritenga putanga e tumanakohia ana.