group of experts on opencast mines focusing on the technical and environmental aspects of opencast mining يبدو
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- group of experts on opencast mines focusing on the technical and environmental aspects of opencast mining معنى: فريق الخبراء المعني بالمناجم المكشوفة التي تركز على النواحي التقنية والبيئية للتعدين السطحي
