Hi ; before we got no Idea, but now people in the world have been share each other Idea they found called (D I Y ) Do It Your self, this d i y you can learn with out school do what ever have in your country have and need, like me if I want to learn some thing just type the words ALL D I Y and search for it what you want it will come up, (( thank you so much You Tube providers you made this thing it easy to the world )) and Mr K H 🙏👍👍.