1.Kei te whakamahia te nuinga mo te firebrick, te electroplating, te tangohanga electrolytic o te whakarewa chromium teitei.
2.Kei te whakamahia hoki i roto i te waikano pararopi, te rapa waihanga, te hinu hinu, te whakakorikori me etahi atu ahumahi.