J Jps17kl Full Member 15+ Year Member Jun 17, 2013 #1 Advertisement - Members don't see this ad how did you guys study for this?? what do we need to know?
MedDevil Cool Cat Rollin' In. 10+ Year Member Jun 17, 2013 #2 DATqVault and Wikipedia. Know the layers and what they develop into. Upvote 0 Downvote
