Mō Yuezheng, ko tētahi kāwanatanga ātaahua kei a rātou te tuku i ngā rauropi whero mō te hanga i ngā mea pākupaku. Ka mahi rātou i tēnā i tēnā miro whero ki runga i ngā perehi itiiti o te pākupaku, e mōhiotia ana hei 'granules'. Ki te whakapā rātou i ēnei rauemi rua, ka puta he mea e mōhiotia nei ko te 'masterbatch'. Ko tēnei 'masterbatch' he whakamīharo nui, nā tērā ka whakapā rātou ki roto i ngā mea pākupaku i te wā o te hanga. Nā tēnei mahi ka puta he nui atu ngā miro whero katoa. E hoki ana ki ngā hiahia o ngā kiritaki, e āhei ana ngā whero kia whakahirahira, kia mārama, rānei ko te mēhā.
Enei ētahi tauira o tētahi ahunga: He kāwanatanga e hiahia ana ki ngā pūpū miro kīnaki. Ka taea e Yuezheng te whakato i ngā kīnaki māwhero e whai ake nei i te pūnaha kia mahi ai ngā pūpū i roto i ēnei pūpū. Ko te hanga i ngā tae nui hei whakanuia te tirohanga taunahi me te taketake tonu mō ngā paihikara kei runga i ngā rae. Nā tērā ka mutu he pai rawa, nā tērā ka akiaki i ngā manuhiri e hiahia ana ki ngā paihikara tae me ngā paihikara nui ake. Kei roto i tētahi nui atu hiranga ā-motu, pērā i ngā pākiri, ngā mea moni whai hua, me ngā motokā, ka whakamahia te tae miro.
Ākona ngā mīhini whero me te kiro, ko Yuezheng e mahi ana hoki i ngā huihuinga wētai hei whakapakari i te rangatā o ngā rara pūneke me te āhua matua. Whakauruhia e rātau ngā momo wāriu ki ngā mīhini, e mihi ana he 'additives'. E mahi nui nei ngā wāriu. Hei tā rātau, ka tae mai ngā hokoanga kimiko hei whakapakari i te pūneke, hei whakamahina i tana manawa roa, me te whakarite i a ia hei taea te pakaroa. Ko tēnā e hīnati ana he mea whai hua, e taea tonu ana te whakawhitinga.
Hei tauira, ka whakauru a Yuezheng i te mea e mōhio ana hei 'UV inhibition' ki ngā mīhini. Ka whakatika ngā whakamātau nei i te pūneke ki ngā pūngao whakamate o te rā, e kite ana ki te whakawāwā i a ia rānei, e haere ana i tana kiro. Whakauruhia anō e rātau ngā momo wāriu kē ki ngā mīhini, kia whakamana ake ai ngā rara pūneke me te manawa roa. He pai enei hiranga mō ngā pakihi hokohoko me ngā whenua hanga, nā te mea e tino kaha ana ngā rara i whakamahia, e taea ana e rātau te whakarite ki ngā taiao itiiti.
Ko Yuezheng he mea hoki e whakainu ana i ngā whakauru mōhio, e whai ake ana i te tūtohu o ngā perehi, kia iti ai te nui o te whanatanga ki ngā perehi. E āhei ana enei whakauru ki te huri i ngā āhuatanga o ngā perehi i runga i ngā āhuatanga pai. Ka taea e rātou, hei tauira, whakaaeae ngā perehi, ka noho perehi kē, ka whakawhanake i te hiko, ka whakapūmau ki te ahi, ko ia hoki ka whakawheawehe i te kareao. I hanga tātou i ia whakauru kia taea ai ngā hiahia taketake o ngā whenua ā-motu me ngā whakamahi.
Ākona anō, ko Yuezheng e whakarite ana i ngā whakatauwhiwhinga tūmatawhiti kia waihanga i ngā hiahia taketake o ngā whenua rerekē. Kua mahi tata rātou ki ngā rūnau katoa kia mōhio ki ngā hiahia o rātau. Ki te mahi kotahi rātou ki ngā rūnau, ka taea e rātou whakarite i ngā masterbatches tūmatawhiti kia waihangahia ngā hiahia nei. Ko tēnei ka taea te tohua pūmanawa tika, te karo i ngā whakauru pai, me te whakarite i te rahi tino pai o te pūnaha tuhinga.
Ki te hiahia tētahi kāwanatanga ki ngā mīhini whakamahana hei whakarite i ngā pūtake kai, ka taea e Yuezheng, hei tauira, te whakawhanake i ngā huihuinga e rite ana ki ngā ture matua o te haumaru me te waiporitanga. Nō reira, ka whakautu rātou i ēnei ture, kia ora ai ō rātou mahi mō ngā kaiwhakamahi. Ko tēnā e mahi ai ngā pūtea o Yuezheng ki ngā paerewa nui i runga i te whakatau ahurea, e hiahia ana kia whakauru he mea pai ki te hanga i ngā mea e pai ana.
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