TecRec, TDI, GUE: Technical Diving including Instructor Courses. TecRec 40-45-50, Tec Rescue, Trimix, Technical Sidemount, Nitrox and Advanced Gas Blender, Advanced Nitrox, Deco Proc. Extended Range, Advanced Trimix, CCR, Type R and T, Intro and Full Cave, Technical Videography. Deep Sea Media Production, Exploration and Expeditions, Research, Technical Diving Product Development.