මැණික් පාඨමාලා අංක 03 | ගෙව්ඩ තාපකිරීම | HEAT TREATMENT скачать в хорошем качестве

මැණික් පාඨමාලා අංක 03 | ගෙව්ඩ තාපකිරීම | HEAT TREATMENT

𝐁𝐄𝐂𝐎𝐌𝐄 𝐆𝐄𝐌 𝐄𝐗𝐏𝐄𝐑𝐓 - 𝐄𝐩𝐢𝐬𝐨𝐝𝐞 𝟎3 with Mr . Roshan Mathawarnaarachchi  - visiting instructor (geuda Heat treatment and gem cutting ) 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." . . . . . #srilankagems #gemstones #sapphire #bluesapphire #ceylongems #jewelry #srilanka #srilankagemstone #ceylonsapphire #jewelryaddict #gemstone #srilankastyle #srilankanjewelry #srilankajewelry #handcraftedjewelry #srilankadesigns #srilankagemsandjewels #jewelryinspiration #srilankabrides #gemstonejewelry #jewelrycollection #srilankafashion #jewelryoftheday #jewelrygoals #srilankandesigners #luxuryjewelry #umeshwariyapperuma #gamlath  #gjrti  #nalinjayasinghe #alumniassociationofgemandjewelleryresearchandtraininginstitute Telling Myself Lies by Popsicles |   / popsiclesmusic   Music promoted by https://www.chosic.com/free-music/all/ Creative Commons CC BY-SA 3.0 https://creativecommons.org/licenses/...