Nupepa

  • Reduction of steel production inventory

    ʻO ka hōʻemi ʻana i ka hana hoʻonohonoho kila

    Hoʻopilikia ia e ka wikiwiki o ka kūkulu ʻana i ka pae kūkulu i ka lua o ka makahiki, ua hoʻonui ʻia ka noi. No laila, mai ka waena a i ka hopena o ʻOkakopa, hōʻike ka mea hoʻonaninani o ke kila i ke kaohi mau ʻana o 7 mau manawa mau, e uhaʻi ana i ka palena durin haʻawina loa ...
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  • What is Hot-dip galvanization?

    He aha ka galvanization Hot-dip?

    ʻO ka galvanization ka wela'ōlū kahi ʻano o ka galvanization. ʻO ia ke kaʻina o ka pani o ka hao a me ke kila me ka zinc, kahi e hoʻomāhulu ʻia me ka papa o ke kumu waihona i ka wā e hoʻokaʻawale ana i ka kala i loko o kahi ʻauʻau i ka zinc i hoʻoheheʻe ʻia i kahi pākeke a puni ka 840 ° F (449 ° C). A kū i ka lewa, ke kūlohelohe Zinc (Zn) ...
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