are you insane??
How the F&*$ do you know what I have considered?g
What the Hell you think I was doing while studying Mechanical Engineering in England?
When do you think I first read Dunn's work.
You mined any Slate??
Done any rock scaling in the Canadian Shield?
Have you actually worked with an Adze, percussion tools, grinders, welding rod, line cutters,fire and water, your bare hands??