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I also wouldn't want to jump out of a plane with a parachute that I packed myself with no one there to supervise. ;)

I don't mean to discredit your idea by any means. I think it has a lot of validity to it, but it also is worth discussion.

I imagine someone, somewhere, has already classified and applied terms to...

Isn't that just learning?
Are you suggesting that it's different for shaving than it is for anything else?