Pūrongo
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Whakamahi i te papa
2023/12/13I te wā tuatahi, i whakamahi ngā tāngata i ngā kiri kararehe hei whakapuaki i ngā whare rūngaro hei tiki i ngā hiahia o te mahi. I muri i ēnei rā, ki te tīmatanga o te tekau tau atu i te 1700, i waihanga ngā tuahine a Van Delgegin i Holland i ngā pōro totoaka e whakatakotoria ana i te rere.
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Whakamahi i te papa
2023/12/13Whakamahia hei whakawhiti i te hāpara 165℃ ~ 220℃ rānei, e taea ana ki ngā wāhi kuhu hāpara matihiko, kuhu hāpara, kuhu hāpara, kuhu hāpara, kaiwhakatupu roa me ngā tāngata whakarite ranei hei pōro ngenenge mō ngā momo kuhu hāpara matihiko.
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Whakamahi i te papa
2023/12/13Te kaiwhakapuawai butadiene me te acrylonitrile i te kumi butadiene, ka noho pai tōna whiuwai ki ngā uku, ko tana manawa me te tiwhikete hē ki te pai, ka taea e ia te whakapuaki i ngā mea uku ngenenge, he mea tērā, he wae pōro nō reira. Ki te noho tonu i te ao,