Snorkels; divers' masks; scientific apparatus and instruments, namely, dive computers for underwater use, depth gauges, dive timers, pressure gauges, timers used for diving, residual gas analyzers, flue gas analyzers, underwater communication devices in the nature of electronic sensors for detecting radio frequency, ultrasonic signals used in coded messaging, and ultrasonic signals for use in locating divers; Diving apparatus, namely, breathing gas saturation indicators for divers, used to measure oxygen and other gas levels present in breathing gas, in the nature of a measurement apparatus using a mathematic algorithm model based on pressure, breathing gas and dive time, not for medical use; photographic apparatus and instruments, namely, photo cameras, video cameras including underwater lightning and flashes; signalling apparatus, namely, GPS trackers, ultrasonic diver locators in the nature of an ultrasonic sensor used to identify divers position by analyzing ultrasonic echo waves; breathing apparatus for underwater swimming; pressure regulators for scuba diving, excluding regulators for gas, water or other sanitary installations; buoyancy compensator devices for divers; buoyancy bladders for diving; diving suits; aqualungs, namely, breathing apparatus for divers in the nature of rebreathers; diving goggles; divers' boots; gloves for divers; snorkels for divers; regulators for scuba diving; divers' weight belts; divers' life jackets; compressed air bailout units for diving; apparatus and instruments for physics, namely, sensors for measuring depth of water; gas sensors for measuring gas concentration, sensors for temperature; photographic printing apparatus comprised of a photo printer, USB cable and infrared sensor; downloadable films featuring diving and water sports provided via a video-on-demand service; underwater cameras; divers' nose clips; underwater dive computers; survival suits, namely, protective suits for divers to prevent hyper- and hypothermia; waterproof survival suits for the prevention of drowning; air tanks for use in scuba diving; weight belts for scuba diving; diving helmets; swim masks; scuba masks; sports eyewear; mouth guards for sports; directional compasses; pressure measuring apparatus; signaling buoys; marking and signalling buoys; computer software for use in reconstructing dive profiles and calculating medical emergency and remedy treatments; protective helmets for sports; sports glasses; optical glasses; sunglasses; minicomputers; portable computers; breathing masks, namely, scuba full face masks, snorkeling full face masks; solenoid valves, namely, electromagnetic switches; navigating apparatus, namely, compasses; sensors for measuring depth; electronic copy boards in the nature of scanners for use in capturing underwater landscape images for analysis in diving sport activities; electronic blackboards in the nature of electronic display boards for use in displaying decompression dive information pertaining to diving sport activities; liquid crystal display screens; digital boards, namely, LED and OLED display panels; metronomes for use underwater in order to regulate and improve a swimmer's tempo and distance per stroke

Time clocks; clocks for world time zones; divers' watches; watches for outdoor use

Clothing, namely, headwear, hunting suits with camouflage in the nature of camouflage jackets and pants; wet suits for water-skiing and sub-aqua; aqua shoes; wetsuits for water-skiing; swimming costumes; undershirts; sweatshirts; tee-shirts; beachwear; bermuda shorts; bath slippers; clothing, namely, headbands, jackets, trousers, underwear, and shirts; clothing, namely, combinations; ponchos; polo shirts; hats; caps; gloves; raincoats; menswear, namely, togas, underwear and walking shoes, outdoor shoes

Flippers for swimming; scuba equipment, namely, spring and compressed air activated spearguns and spearfishing harpoon guns; scuba flippers; scuba equipment, namely, harpoons for harpoon guns; swimming equipment, namely, scuba fins in the nature of fullfoot fins, openheel fins, racing lanes, starting blocks, sporting goods and equipment for speed training pertaining to swimming and diving, namely, webbed gloves for swimming to increase water drag and swim paddles designed to hold the wrist, elbow and shoulder at an optimal position while swimming and diving; hunting and fishing equipment, namely, camouflage screens; swimming kick boards; cases specially adapted for sporting articles in the nature of bags and containers specially adapted to hold flippers for swimming, scuba fins, scuba flippers, scuba equipment in the nature of spring activated spearguns and scuba equipment in the nature of spearfishing harpoon guns

Education services, namely, providing seminars and workshops in the field of diving