Hands-on techniques, each with the physics or chemistry that makes it work — because knowing why the solder balls up or the weld goes porous is what turns a recipe into a skill. Tools, the steps in order, what will hurt you, how it fails, and how you know it worked.
Nothing in that category yet.
From the Skills database in Notion. These are the fundamentals as generally taught, not a substitute for instruction on anything that can burn, cut or fall on you — the Safety line on each is the minimum, not the whole of it.