2) Ka taea te hainatia te whakaaetanga muna
3) E whitu nga ra whakahoki taurangi
He mea nui ake: ka taea e maatau te whakarato i nga hua anake, engari he ratonga otinga hangarau!
Fe | Mn | Cu | Ca | Ni | Zn | Pb | Sn |
48ppm | 0.1ppm | 0.06ppm | 0.04ppm | 7.4ppm | 0.2ppm | 0.14ppm | 0.4ppm |