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Thanks to all for your comments. I'll try to answer some of the questions posted: I store the used ferric chloride in a plastic bottle and when I have arround a liter, I neutralize the pH with two spoonfull of baking soda and then dispose it diluted with water to the sink.For the holes, I first mark them down with a small nail and then do the drilling manually.With the magazine paper the toner transfer is so good that I have never needed to restore the tracks with a pen.
Laser printed PCB's, perfec...View Instructable »
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