Diamond Manufacturing Process - Step by step | DU-GEMOLOGY | Uday S Dey

This video is all about the step by step process of How diamond is manufactured in the factory. The actual process is shown in this video. I hope you will like the video.

दोस्तों ं इस video से जुड़ा हुआ, आपका कोई भी सवाल हो तो मुझे comment पर लिक्खे ज़रूर, मैं कोशिश करूँगा आपके हर एक सावल का जवाब देनेका।
धन्यवाद्।
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Видео Diamond Manufacturing Process - Step by step | DU-GEMOLOGY | Uday S Dey канала DU-GEMOLOGY (Institute of Gemology & Laboratory)