رئيس ، جريد ، وجه ، هيكل سلكي ، مفهوم ، شبكة الاتصال ، شبكة الانترنت ، التواصل ، العولمة ، خطوط ، الرسومات
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
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