التروس ، تعاون ، الانتقال ، منظمة ، روح الفريق ، عجلات ، الرسم ، صناعة ، قيادة ، تقنية ، علم الميكانيكا
Public Domain
علامات الصورة:
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
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