Njira yapadera ndi ubwino wake:
1. Pamwamba pake ndi malata, owala kwambiri, maonekedwe okongola, ndi kukana kwamphamvu kwa dzimbiri (njira zopangira mankhwala opangira pamwamba monga white zinc plating, color zinc plating, black phosphating, gray phosphating, ndi nickel plating).
2. Carburized ndi kupsya mtima, kuuma kwa pamwamba ndipamwamba, komwe kumatha kufika kapena kupitirira mtengo wokhazikika.
3. Ukadaulo wapamwamba kwambiri, torque yaying'ono yopindika komanso magwiridwe antchito apamwamba.