@Swede1952 No worries, I knew I was going to be an engineer when I studied for hours all the How It Works exploded diagram books I could put my hands on when I was 8 years old and started reading through the bound encyclopedias in the library at recess. My dad got me started 'cause he was a nerd. He passed away at thend of December. We stand on the shoulders of giants. Society needs all kinds - artists, communicators, business, science, educators, the list goes on.