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<p>[QUOTE=&quot;Blissskr, post: 2154911, member: 34882&quot;]Well the sodium hydroxide can be nasty if your not careful with it for sure. The zinc dust I suppose also presents another chemical hazard. With a little common sense and protective precautions though you can do an entire roll of cents in maybe ten minutes. I will say I&#039;ve seen way too many videos on Youtube and the like where people take no precautions what so ever though. Including some truly cringe worthy ones with people having their faces over the boiling NaOH solution breathing in the vapors carelessly. So I guess while I find the procedure extremely easy it does have the potential to turn out very nasty though.[/QUOTE]</p><p><br /></p>

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