Answer
Ana kera zoben karkace ta hanyar murɗa waya mai laushi mai sanyi. Wannan aikin sanyi yana ƙara ƙarfin juzu'i ta hanyar daɗaɗɗa, amma kuma yana barin manyan matakan damuwa na raguwa akan diamita na waje da damuwa mai matsawa akan diamita na ciki. Idan an yi amfani da zoben kamar naɗe, waɗannan matsalolin na iya haifar da rashin kwanciyar hankali. Maganin zafi (cire damuwa ko taurin shekaru) yana ba da damar atom ɗin su sake tsarawa zuwa yanayin ƙarancin kuzari, 'kulle' zoben zuwa siffarsa mai naɗe. Ga carbon karfe, wannan wani tempering tsari; don 17-7PH, shine hazo hardening. Zoben da aka samu yana da madaidaicin bayanin yanayin damuwa, wanda ke inganta juriya ga gajiya kuma yana tabbatar da cewa yana kiyaye diamita na 'manne' akan rayuwar samfurin.
