मिल्स, पवन चक्कियाँ, हवा, वायु बल, पवन चक्की, ईंधन और बिजली उत्पादन, जनक, पवन ऊर्जा, बिजली, प्रोपेलर, वैकल्पिक ऊर्जा
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