1. Chrome isahani hejuru kugirango irusheho kunanirwa kwambara;
2. Umwobo urekuye ushyizwemo chromium kugirango ubike amavuta yo hejuru kandi wihute gukora;
3. Yashushanyije hejuru yimbere kugirango atezimbere;
4. Igikoresho cyo kubika amavuta gitangwa hejuru yimpeta kugirango byorohereze amavuta;
5. Ubuso bwinyuma bwimpeta bwometseho umuringa kugirango byoroherezwe;
6. Molybdenum iterwa hejuru yimpeta kugirango igabanye gukomera no kwambara.

Incamake ku buryo bukurikira:
Kunoza imyambarire yo kwambara: isahani ya chrome, nitriding
Kunoza imikorere yambere yo gukora: isahani y'umuringa, fosifatiya, sulfurizasi
Kugira ngo wirinde kwambara: gutera molybdenum