सौर ऊर्जा, वैकल्पिक ऊर्जा, वायु ऊर्जा, बिजली, आइकन, प्रतीक चिन्ह, वातावरण, पर्यावरण संरक्षण, रीसाइक्लिंग, चित्रण, ईंधन और बिजली उत्पादन
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