1. Kurkure dunƙulen haƙowa kai yana da mahimmanci kuma yana buƙatar kulawa sosai, saboda ragowar na iya kasancewa a saman sa. Ya kamata a yi wannan matakin kurkura bayan tsaftacewa tare da siliki mai tsaftacewa.
2. Dace stacking yana da muhimmanci a lokacin tempering na kai-hako dunƙule; in ba haka ba, oxidation kadan na iya faruwa a cikin man da ke kashewa.
3. Bayyanar ragowar farin phosphide a kan saman ƙwanƙwasa mai ƙarfi yana nuna rashin kulawa ga daki-daki yayin dubawa (ma'ana 1).
4. Baƙar fata na ɓangaren ɓangaren saboda halayen sinadaran yana nuna rashin cikakkiyar maganin zafi da rashin cikar cire ragowar alkaline. 5. daidaitattun sassa na iya yin tsatsa yayin kurkura, kuma ruwan da ake amfani da shi don kurkura ya kamata a canza akai-akai.
6. Tsatsa mai yawa yana nuna cewa an daɗe da amfani da man da ke kashewa kuma yana buƙatar canza shi da sabon mai.