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Subject: Re: [Homebrew_PCBs] 1 and 3 mil lines

From: DJ Delorie <dj@...>
Date: 2009-03-08

"leon Heller" <leon355@...> writes:

> Some processes involve cyanide, it might not be a good idea.

A bit of googling says there's non-cyanide (i.e. high acid) processes
available.