Aside from regular schooling and some college I have never had any formal instruction when it comes to the various trade skills I have acquired through the years such as carpentry, bicycle mechanics, auto mechanics, computer workstation and server assembly and repair, industrial instrumentation sales and service, steam, air and liquid safety and relief valve assembly, repair and rebuilding. I have made a living doing all those things in the past four plus decades. For the past 30 plus years I h…