Excellent write up. Have a question or statement), my father could make or fix anything. I asked him once how he could make a wooden cog for an antique clock, he said, looking a bit puzzled, I can see how it works in my head. That's not me, although I've learned how to leave a puzzling situation and let my mind mull it over. Usually I come up with a plan
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I would say that the folks I know who can do work like you do GT, it is because the issue interests them and then they stick to it until its figured out.