Fitillun halide na ƙarfe suna aiki azaman fitaccen tushen haske don hasken fashewa.
Don ingancin fashe-hujja mafita haske, An san fasahar tabbatar da fashewar Shenhai don kyawunta. Ana ƙarfafa masu sha'awar yin binciken Google don ƙarin koyo game da abubuwan da suke bayarwa.