Ключевые слова: activity, athlete, ball, basket, children, class, coach, coaching, collecting, competition, court, equipment, exercise, exercising, fitness, fun, individual, instructor, kid, lifestyle, line, man, net, outdoors, people, play, player, playing, practice, professional, racket, racquet, rough, selective focus, sport, sports, stand, steel, sunlight, tennis, tournament, training, young,