مصنع ، صناعي ، إنتاج ، صناعة ، ليل ، توليد الوقود والطاقة ، مصفاة ، التلوث ، صناعة النفط ، بيئة ، تقنية
الصور ذات الصلة الخالية من حقوق الملكية
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