A yayin aiwatar da sassan sassa, akwai fasahar sarrafa abubuwa da yawa tsari ne mai rikitarwa.

Abinda ake kira stamping tsari yana nufin daidaiton sassan sassa zuwa aikin hannu, ma'ana, sassan da aka tsara a cikin girma, madaidaicin girma da ma'auni, fasalin tsari da sauransu ko don saduwa da bukatun fasaha na aikin hatimi. Yakamata sassan hatimin motoci su kasance da halayen fasaha da tattalin arziki masu kyau, kuma mahimman alamomi don auna matakin su sune yawan sassan hatimi, lamba da girman taron jiki, tsarin ɓangarorin hatimi da sauran abubuwa.

Rage tsarin aikin hatimi, yana nufin cewa lambar hatimi, adana lambar kayan aiki, sauƙaƙe tsarin aikin watsawa, rage ma'aikata masu aiki da yankin hatimi, babban ma'auni ne don adana saka hannun jari da amfani da makamashi, don haka masana'antun hatimi na iya sanyawa yawan tsarin aikin hatimi a matsayin muhimmiyar hanya don rage farashin masana'antar kera motoci, ko da a inganta kayayyakin da aka tsara don biyan bukatun masana'antun masana'antu.

A lokaci guda, ya kamata kuma a yi amfani da babba kamar yadda zai yiwu toshe ƙirar haɗin jiki, kamar dukkan jikin hagu da gefen dama da farantin murfin rufi, ba zai iya sa motar ta zama kyakkyawa ba kawai. Rage juriya ta iska, da rage adadin abubuwan hatimi da mahaɗan dillalai, na iya rage farashin yadda ya kamata. Kuma masana'antar kera motoci ta zamani suna AMFANI da kayan kwalliya, nau'ikan siraran siradi dukkan jikin jikin babban farantin karfe da farantin karfe na galvanized, duk buƙatun neman amfani da sabbin fasahar.