It teaches you the theory of diving — physics, physiology, decompression theory, equipment, skills and environment, as well as skills circuits, mapping, assisting, teaching, general day to day running's of a dive shop, paperwork, signing in guests, selling equipment etc etc! (scallywagdivers.com)
Skill circuit done, assisting Open Water course from A to Z done, guiding certified divers done, things went good this week. (twofishdivers.com)
Known for his enthusiasm and dry skill circuits, Sander brings the fun! (indonesia-idc.com)