الناير محمد جبريل حامدمهند ربيع احمد بابكريعقوب احمد قاسم حمزة2023-11-142023-11-142023-01-01https://ds.eaeu.edu.sd/handle/10.58971/281In this research, a study was made of the railway maintenance system and portages, by making field visits and looking at the maintenance records, where most of the maintenance problems were found from the weakness of controlotherتحسين نظام صيانة وابورات السكة حديد