The main office called me to come in for interview. There were 3 people I talked to. One supervisor, one management person, one Checker. The checker was the hard part with 5 questions about drafting. I got 3 out of 5 but I said I did not know the other 2 instead of guessing and they seemed to like that. All other questions were easy about where I worked before. You need to bring nice, pretty, clean and complete drawing examples of your work. ;-)