මැණික් විද්‍යාවට පිවිසුම | පාඨමාලා වලට සම්බන්ධවන අකාරය | 4වන දිගහැරුම  

රත්න විද්‍යාවට පිවිසුම 4වන දිගහැරුම නරබන්න.
𝐇𝐎𝐖 𝐓𝐎 𝐁𝐄𝐂𝐎𝐌𝐄 𝐆𝐄𝐌 𝐄𝐗𝐏𝐄𝐑𝐓 - 𝐄𝐩𝐢𝐬𝐨𝐝𝐞 𝟎4
Overview Of Gemmology
with Mr . Manuranga Sudesh - visiting instructor GJRTI
Host by Umesh Wariyapperuma -Gemologist FGG (Germany) FEEG (Europe)
Are you planning to enter the gem and jewelry industry? Then don't miss our free weekly webinar series: "Identifying Proper Technology in the Gem Industry through the Excellent Services of the Alumni Association of the Gem & Jewellery Research and Training Institute of Sri Lanka."
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Dragon Slayer by Makai Symphony | / makai-symphony
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