-
Ƙarfashin birki na ƙarfe, kyakkyawan aikin birki
Lowarin ƙarfe (ƙarancin ƙarfi) an haɗa shinge da kayan haɗi masu saurin haɗawa da ma'adinai don samar da mafi kyawun tsayawa.
Tsarin birki na Santa ya ƙunshi waɗannan sinadarai don samar da keɓaɓɓen ƙarfin tsayawa da gajeriyar nisa.Hakanan yana da juriya ga faɗuwar birki a yanayin zafi mai zafi, yana isar da daidaitaccen bugun birki jin cinya bayan cinya mai zafi.Ana ba da shawarar fakitin birki na ƙarfe don manyan motocin da ke yin tuƙi ko tseren tsere, inda aikin birki ya fi girma.
