ot ، ضوء الألياف البصرية ، مركز ، نقاط ، لون مصدر الضوء ، أشعة ، تأثير الضوء ، اللون ، دائرة ، اتجاه ، زاهى الألوان
Public Domain
علامات الصورة:
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
- Public Domain
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- Public Domain