මැණික් පාඨමාලා අංක 03 | ගෙව්ඩ තාපකිරීම | HEAT TREATMENT

[@newnews2657]

Good presentation . I suggest you enhence the technology to the level which is in Thailand

[@ruwanchathranga5659]

ඉතාම හොද නිවෙදනයක් සුපිරි

[@dilanmadusanka9595]

highly recommended lecture Mr.Roshan Mathwarnarachchi

[@GOLDCeylon]

Yes ...

[@GOLDCeylon]

Yes Mr. Dilan

[@fawmyshaid7154]

Best ever video on Guada

[@LalithWeerasingha-y3u]

Very very valuable program.thank. You very much

[@GOLDCeylon]

Welcome

[@lakmalrama5769]

Good

[@thilakarathnapallek7714]

I have lived in the USA since 2015. I am very happy with your presentation of this gem program. I hope to see your place. I received some gewuda gems from my African friends.Thanks for you.

[@GOLDCeylon]

Welcome boss. I will send you address

[@thilakarathnapallek7714]

@@GOLDCeylon Thank you so much.

[@eventssrilanka9410]

ස්තුතිය

[@dahasakmal5576]

ලක්මිණි උදුනක් මිල කීයද මිලදී ගැනීමට තැනක් තියෙනවා ද, ඉලෙක්ට්‍රික් උදුනක් මිල කීයද මිලදී ගැනීමට තැනක් තියෙනවා ද

[@GOLDCeylon]

www.firebricks.lk/geuda-heat-treatment-furnaces.php

[@thilakarathnapallek7714]

Your explanation is very important and good. I would like to know, Can be heated aget.

[@GOLDCeylon]

Brother tommorow I will answer after asking our experts

[@photocopymachinerepair7172]

❤

[@harshadarmadasa4499]

Corandum වල ද්‍ර්වාන්කය 1820 c නිසා ඊට වඩා උශ්නත්වයකින් පුච්චගන්න පුළුවන් කමක් නැ නේද

[@roshanmeranga1719]

@@harshadarmadasa4499 corundum ද්‍ර්වාන්කය 2044c

[@gaminiabeyrathne4625]

Kohomada me wadasatahanata dambamda wenne.krunaka pahada denna isthuthie

[@GOLDCeylon]

ඔබතුමා මේ number එකට call ekak දෙන්න [phone] call this number

[@GOLDCeylon]

Gem and Jewellery Research Institite, No 73/5 Avissawella Rd, Welivita [phone] web www.gjrti.gov.lk

[@DilThara-qo8xo]

Me galwala kalupata tit ha kalu kedi wage tiyenne ey

[@sunilsenarathne3081]

මට මේ ආයතනය සමග සම්බන්ධ වීමට කැමති, කරුණාකර තොරතුරු ලබාදිය හැකිද

[@GOLDCeylon]

[phone] call this number

[@Buddikapriyadarsana]

Mata me sambandawa sampurna danuma labaganna awasyi.

[@GOLDCeylon]

[phone] call this number

[@chathurangajems7930]

ඉරිදට class තියෙනවද

[@GOLDCeylon]

📌Call us for more details. -------------------------------------------------------- 📲011 43 24 676 | 011 43 24 677 🌐 gjrti.gov.lk/ 📧Email: [e-mail]

[@chathurangajems7930]

මේ phone numbers දෙක වැඩ කරන්නෑනෙ.

[@roshanroshan3481]

Good job may I know this location and contact please

[@GOLDCeylon]

Gem and Jewellery Research Institite, No 73/5 Avissawella Rd, Welivita [phone] web www.gjrti.gov.lk

[@malithperera7726]

Course ekat samband wenne kohomd?

[@GOLDCeylon]

[phone] call this number

[@GOLDCeylon]

[phone] call this number

[@GOLDCeylon]

[phone] call this number

[@KasunRajitha-it9vx]

මටත් සම්බන්ධ වෙන්න ඕන කොහොමද සම්බන්ධ වෙන්නේ

[@GOLDCeylon]

[phone] call this number