[Jewelry making - Article 01041] - Re: [Orchid] The use of Anhydrous Ammoniia

[Kevin]

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>        As a fire inspector, I am curious as to why a small jewelry
>     manufacturer would have Anhydrous Ammonia tanks.  

    Laura, I believe it's used in metal trades, not just jewellery, to
    create a controlled atmosphere in heat-treating furnaces.  Of
    course, you could always ask the jeweller, or is this something
    you've noticed "through the fence"? 

Kevin  (NW England, UK)



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