Kagaji Shirya kan sarrafawa na iya haduwa da matsaloli iri-iri, takamaiman da muka kalli cikakken gabatarwar ma'aikatan.
Ofaya daga cikin, aluminiuman ado Dannoy fim:
Fim din domaide na aluminium reotoy ne a kanmutu ƙirƙiraYanar gizo, kusa da farfajiya. A farfajiya na karaya yana da halaye biyu: na farko, lebur ne kuma launi ya bambanta daga azurfa-launin shuɗi da duhu launin ruwan kasa; Na biyu, aibobi suna ƙanana, karami da m. Fim na domaide na aluminium righoy an kafa shi ne lokacin da aka fallasa molten molten yayi ma'amala da tururi ko kuma wasu ƙarfe a cikin iska a cikin iska yayin narkewa da ƙyalli. An kafa shi a cikin ƙarfe na ruwa da hannu a cikin tsarin casting. Fim na shanu a cikida barka da sassanKuma sun mutu sun mutu ba shi da tasiri mai mahimmanci a kan kaddarorin kayan aikin zamani.
Biyu, carbide rarrabuwa:
Dangane da nazarin na Hebei ya manta ayyuka, rarrabe carbo yana faruwa a cikin Carbon Carbon da Carbon na Carbon, wanda ke misalin ƙarin Carbon na gida, wanda ke misalin ƙarin carbon na gida, wanda ke cikin mafi yawan carbon na gida a cikin karfe ba a rarraba shi ba kuma a hankali a rarraba shi a ciki kan aiwatar da kara. Yankin Carbide zai rage karfin nakasa na karfe, yayin aiwatar da wuta mai sauƙi ya haifar da fatattaka, magani mai zafi daQuenching ya ganniSauki ga overheat da quenching, yankan kayan aiki mai sauki don crass.

Uku, layin haske:
Lines masu haske suna da layin bakin ciki waɗanda ke da tsayawa da lu'ulu'u da tsinkaye a tsaye karaya, yawancinsu suna canzawa cikin tsallake. Layin mai haske galibi ne ke haifar da rarrabuwa. Layin haske mai haske ba su da ƙarancin tasiri akan kayan aikin, da kuma layin haske mai haske zai rage filastik da wahala na kayan.
Abin da ke sama shine gabatarwar wasu matsaloli da aka ci karo da su, idan akwai wasu tambayoyi, don Allah ka nemi mu.