Wannan shine kayan amfaninmu, kayan kwalliya na katako, muna sayar a duk faɗin duniya, tare da kyakkyawar amsa. Ana iya rarrabu kashi biyu daban-daban, carbon karfe da bakin karfe. Amma kayan ƙarfe na carbon galibi shine mafi yawa, kuma akwai maki da yawa, daga samarwa zuwa fitarwa, daga samarwa zuwa fitarwa, kowane sashen da aka lura, da kuma digiri daban-daban na gwaji za a gudanar.
A sakamakon haka, ba mu taɓa samun rashin gamsuwa da abokin ciniki ba
Lokaci: Nuwamba-03-2023