And just to prove that FFP tells the truth...
It's ELIMINATE, not illiminate and HABITS, not habbits.
Been there, done that, 38 years and loved most of it. Get stuck into research, find out about the RAF in depth and the Engineering Branch in particular. Use your initiative - there are plenty of websites and magazines out there. Start tomorrow, because before you know it you will have a date for OASC and you will find yourself short of time to prepare. There's a lot to learn, but the rewards are great...