Nickel. ʻO kaʻikeʻo Nickel koʻikoʻi ma nā mea kūʻai akuʻo Inconoelʻo ia kekahi o nā kumu nui o nā waiwai nui o nā mea nui o nā alloys. ʻO ka Nickel maʻemaʻe,ʻo ia hoʻi ma ka mahana o ka lumi, akā ua hui pūʻia me nā mea e like me ka chromium a me ka carbon i ka wā e hana ai i ka cardol a hana pono.