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Teaching How to gold extraction process Recovery Refining How to recover and refine computer scrap with acid .Gold Refinery Refining Gold Recycle Gold extraction value of gold in cpu computer scrap circuits board.
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6 ความคิดเห็น:

  1. Hi I have so many unused waste mobiles if you need let me know thanks

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  2. Good day I need help please. I made 5 small batches of computer scrap with aqua regia.
    All 5 came out in dark green to black. No matter how much SMB I add it keeps on boiling.
    No Gold has dropped out but there is lots of grey sludge that comes out.
    Please help me with suggestions. I have phone boards to process and do not want to make same mistakes.

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  3. bonjour je voudrai savoir ou on peut acheter les livre gold extraction E-Book gold chemical.

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  4. I am offering you an offer to work with us in India and make billions. I can manage investors for our firm. Contact immediately to me if interested.

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  5. Hello where do you buy eletronics? and I don't find your ebook thank you Alessandro from Switzerland

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โพสต์แนะนำ

How to recycle gold and silver from cpu computer scrap Old CPU Scrap Gold Value

How to recycle gold and silver from cpu computer scrap  Old CPU Scrap Gold Value youtube Subscribe to this ►►► https://goo.gl/9...