Ключевые слова: activity, adventure, amusement, aquatic, artificial, athletes, athletic, blue, challenge, clear, coastal, competition, culture, daytime, development, dynamics, education, engineering, enthusiasts, environment, facility, fluid, generation, hydraulic, innovation, japan, leisure, lifestyle, maritime, marvel, motion, nature, ocean, oceanic, outdoor, park, performance, pool, practice, recreation, scenic, simulation, skies, skill, sports, surf, surfboard, surfing, system, technology, training, water, wave, waves, youth,