ʻO ka mānoanoa o keʻano o ke kalaʻo Zinc Passivation he 8-15μ6,ʻoi aku ka paʻakai paʻakai ma mua o 72 mau hola. I ka wā e hoʻohanaʻia ai ka mea kūʻai akuʻo Chromika
ʻO ke poʻo he papa helu cross-Groove Brosterink, hiki ke hūnāʻia i ka wahi hoʻonohonoho e mālama ai i ka papahele. ʻO ka Drill Drill bit ittier e like me ke aniani o ke aniani (e like me st4.2 drill drill bit crill 42mm)
Ma o ke aniani o ka wai wai e pili ana i ka paʻakai kālā (c2d), he 10-156 ʻO keʻano o ka heleʻana o ka papa inoaʻo Zinc e hoʻohana i ka Handes Trivant Chrisvant Chromitium
Haʻalele i ka Raintate Cholivation (C2C) ma ke kumu o ka electrogalvalizy, eʻohi ana i ka mānoanoa 8-15 Ke hoʻohana nei i nā hana Shromitium chromitium
Hanaʻia he 1022A Calsel Steel, ua hiki i ka paʻakikī o ka Haka Hv560-750 ma hope o ka mālama wela, a me ka paʻakikī o ka wela o ka wela ʻO kaʻaoʻao e kohoʻia e hoʻopili ai i kahi papa inoa 5-12
ʻO kā mākouʻoihana e hana nui a kūʻai aku i nā bolts pokts he nui, Hoops