optical polishing इन हिंदी

optical: चाक्षुष चाक्षुष

polishing: घर्षण चमकाना

	1.	It is very strong mechanically, and withstands optical polishing.
	2.	The final step was polishing the beveled face using a felt covered wheel with a slurry of water and optical polishing powder.

अंग्रेज़ी→नहीं। नहीं।→अंग्रेज़ी