Answer
Cadmium plating a tarihi shine ma'auni na sararin samaniya saboda lubricity da kyakkyawan juriya na lalata. Koyaya, saboda yawan guba da ƙa'idodin muhalli (REACH/RoHS), Zinc-Nickel (Zn-Ni) ya zama madadin da aka fi so. Zn-Ni yana ba da kwatankwacin ko mafi girman juriya na fesa gishiri ($> 1000$) kuma yana nuna mafi kyawun dacewa ga galvanic tare da gidaje na aluminum. Mahimmanci, tsarin plating na Zn-Ni gabaɗaya ya ƙunshi ƙarancin juyin halitta na hydrogen, kodayake ƙarfin zoben ƙarfe na carbon ($> 40 $ HRC) har yanzu yana buƙatar gasa ta dole don hana jinkirin karaya.