المكتب الهندسي لاعمال المساحة المتكامله - Home | Facebook
#ما_هي_الصعوبات_في_العمل_المساحي_تحت_السطح_او_المناجم ؟ 1-Darkness and difficulty of seeing. 2-Humidity and heat increase, we all increased to 30 meters 3-Potential water overflow during work 4-Irregular lanes due to irregularities of traversat ribs 5-narrow corridors in which corridor work is ...