Lot of mechanics, carpenters and other tradesmen showing you how to do a lot of practical stuff. What are you missing there? However with all such things, the

Lot of mechanics, carpenters and other tradesmen showing you how to do a lot of practical stuff. What are you missing there? However with all such things, there is finite amount of knowledge. We are now getting to the end of one generations outpour of knowledge and the cycle is repeated with next-gen.