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วันจันทร์ที่ 6 มิถุนายน พ.ศ. 2559

Gold extraction process. Teaching extract gold. gold recovery lode gold. Waste recycling electronic scrap. CPU old computer.

Gold extraction process

 Teaching extract gold. Getting gold from integrated circuit Gold mining e-waste Electronic scrap old. gold wire bonds from the. gold from computer parts. Electronic scrap old recycle Gold. Gold Recycle CPU Computer from all kinds of electronic scrap. How to Extract Gold from Computer Circuit Boards.


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สกัดทองคำวิธีถลุง
Gold extraction by smelting gold
















3 ความคิดเห็น:

  1. Hi
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    thank you

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  2. i'm frecnh tou have book for french ?

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  3. my mail cilicien76@gmail.com
    i need buy your book

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