E mōhio ana koe ki te hītori whanaketanga o ngā putea pepa kraft?

          

Ko ngā putea tākai pepa kraft he mea hanga ki te pepa penupenu rakau katoa. Nō reira, ka wehea te tae ki te pepa kraft mā me te tānga kōwhai i runga i te pepa kraft.

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Ka taea te tāpiri i te kiriata PP ki runga i te pepa hei tiaki i te wai. Ka taea te whakauru i te paparanga, te tā me te hanga putea. Ka wehea ngā tikanga whakatuwhera me te uhi o muri ki te hiri wera, te takai pepa me te taha.

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Mō te putea hokohoko tuatahi mō te pepa kraft, i whānau mai i te tau 1908 i St. Paul, Minnesota, USA. Kua tīmata tētahi rangatira toa hoko kai o te rohe, a Wald Duvena, ki te rapu huarahi hei tuku i ngā kaihoko ki te hoko atu i te wā kotahi hei whakapiki ake i ngā hoko. E whakapono ana a Duvina me waiho hei putea kua oti te hanga, he iti te utu, he ngāwari hoki te whakamahi, ā, ka taea te kawe i te iti rawa i te 75 pauna.

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Whai muri i ngā whakamātautau maha, i mau tonu tana kakano o tēnei putea ki runga i te pepa kraft nā te mea i hangaia mai i ngā rākau konifera he roa ake ngā muka rakau, ā, i rongoatia ki te houra tunutunu ngawari me ngā matū waikawa waikawa i te wā tunu kai, kia iti ake ai te pakaru o te kaha taketake o te muka rakau, nō reira he piripono te pepa whakamutunga ki te muka, ā, he pakari te pepa, ā, ka taea te tu atu i te kume me te pēhanga nui me te kore e whati.

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E whā tau i muri mai, ka whānau mai te putea pepa kraft tuatahi mō te hokohoko. He tapawhā rite tōna raro, ā, he nui ake te rahinga i ngā putea pepa V-lalo tuku iho. Ka rere he taura mā roto i tōna raro me ōna taha hei whakanui ake i tōna kaha ki te pikau kawenga, ā, e rua ngā koropiko kukume ka hangaia ki te pito o runga o te putea pepa kia māmā ai te hiki. Nā Duvena i tapa te putea hokohoko ki tōna ake ingoa, ā, i te tau 1915 i patent. I tēnei wā, kua neke atu i te 100 miriona te nui o ngā hoko ā-tau o aua putea hokohoko.

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Ko te Rōpū Whakakī Guangdong Chuangxin te kaiārahi o te umanga whakapūmau me te tākai i ngā umanga hangarau teitei me te rangahau me te whanaketanga, te whakaputa, me te hoko. He tohu hokohoko pēnei i a Yinuo, zhonglan, Huanyuan, TRonson,Crratrusrtme te neke atu i te 30 ngā mana pateni hanga hou. Mai i tōna whakatūnga i te tau 2008, ko te kaupapa matua a te kamupene ko te "whakapai ake i te taiao me te hoahoa o te ao" me te whakapau kaha ki te noho hei kaiārahi o te ao i roto i te takai tiaki taiao - ko ngā umanga 500 pai rawa atu o te ao.


Wā tuku: Oketopa-13-2022