9 Scuba diving equipment, namely, scuba masks, snorkels, scuba weight belts, submersible pressure gauges, underwater compasses; buoyancy control systems for scuba diving consisting of buoyancy compensators, wings, and harnesses; scuba diving gas management systems consisting of first stage regulators, second stage regulators, and high pressure and low pressure hoses for scuba diving regulators, and accessories in the nature of replacement covers, mouthpieces, and repair kits for the regulators; scuba diving suits featuring wet suits, hoods, boots, gloves, skins, and tops; scuba diving suits featuring dry suits, hoods, boots, gloves, mittens, gaiters; diving suit undergarments, namely, short and long jumpsuits, vests, neck warmers, socks, underwater urinates, and dry suit inflation systems consisting of regulator and low pressure hose; downloadable electronic books, student manuals, instructor manuals, booklets, checklists, and testing materials all in the field of scuba diving and diving equipment repair and use