Da farko, don nau'ikan yadi daban-daban da buƙatun yadi, zaɓi wanda ya dacekamara lanƙwasa. Domin mai zanen salon yadi yana neman fifiko daban-daban, don hakakamara lanƙwasa saman aikin zai bambanta.
Saboda allura ko sink da kumakamara Alamar dogon lokaci ta gogayya mai sauri, maki na tsari na mutum ɗaya a lokaci guda kuma dole ne su jure tasirin mita mai yawa, don hakakamara Zaɓin tikitin ƙasa na Cr12MoV, kayan yana da kyau tauri, nakasar wuta, nakasar wuta, tauri, ƙarfi, da tauri sun fi dacewa dakamarabuƙatunsa.kamara Taurin kashewa gabaɗaya shine HRC63.5±1. kamara taurin ya yi yawa ko kuma ƙasa da haka zai haifar da mummunan sakamako.
kamara Rashin kauri a saman lanƙwasa yana da matuƙar muhimmanci, yana tabbatar da ko kokamara yana da kyau kuma yana da ɗorewa.kamara Rashin lanƙwasa saman lanƙwasa, ta hanyar kayan aiki, kayan aiki, fasahar sarrafawa, yankewa da sauran cikakkun abubuwan da aka yanke shawara (masana'antun mutum ɗaya)kamara Farashi yana da ƙasa sosai, yawanci a cikin wannan hanyar haɗin yanar gizon don yin labarai).kamara Ana ƙayyade aikin lanƙwasa da rashin ƙarfi gabaɗaya kamar Ra≤0.8um. Rashin kyawun saman aikin da aka yi ba zai haifar da diddige na allurar niƙa ba, bugun allurar, dumama wurin zama na kusurwa da sauran abubuwan da suka faru.
Bugu da ƙari, amma kuma a kula dakamara Matsayin rami, maɓalli, siffa da lanƙwasa na matsayin da daidaiton da aka danganta, waɗannan kulawa ba za su iya haifar da mummunan sakamako ba.