FIRST READ AND APPLY, DONT APPLY AS YOU READ!!!
A guy who was an aeroplane cleaner was cleaning the pilot's cockpit and saw a book entitled, “How to fly an aeroplane for beginners, Vol. 1 ". He opened the first page which said; "To start the engine, press the red button". He did so and the airplane engine started.
He was pleased and opened the next page, "To set airplane moving press blue button". He did so and the plane started moving at an amazing speed.
He wanted to fly, he opened the 3rd page which said; "To let airplane fly, please press the green button". He did so and the plane started to fly. He was so happy.
After 20 minutes of flying, he was satisfied and wanted to land. He opened to the 4th page. The 4th page said, "To learn how to land a plane, please watch out for Volume 2.