DiveZone is a registered trademark of eLedge. Under this name, I represent my freelance diving & EFR training activities. - Master Scuba Diver Trainer #279760 - EFR Instructor (incl. EFR CfC / AED ) - Speciality Instructor: Boat, Deep, DPV, DUP, Drift, EANx, Night, PPB, Wreck Trained by Camel Dive Club & Oonas Dive Club in Egypt, two of the oldest Dive clubs in Sharm-el-Sheikh in second half of 2010.