1. Kudedera.
Kana sikuruu yaita ngura, haibvumirwi kubviswa nechisimba nepanera. Bata sikuruu nepanera, pwanya zvinhu zvakasiyana-siyana munzvimbo ine ngura, tendeudza sikuruu kuruboshwe nekurudyi nepanera, wobva wabvisa sikuruu. Yakabviswa.
2. Moto.
Kana sikuruu yacho yakasviba zvakanyanya, unogona kushandisa welding yemagetsi kuti uoxidize sikuruu, wopisa sikuruu yacho netsvuku, wobva wadonhedza mafuta ekuzora muburi resikuruu, womirira kwenguva yakati, wobva wabvisa sikuruu yacho nepanera.