Ключевые слова: activity, athlete, background, ball, basketball, class, club, college, competition, court, education, empty, equipment, exercise, fitness, floor, football, game, goal, ground, gym, gymnasium, gymnastics, hall, handball, hardwood, health, healthy, high, hoop, indoor, interior, leisure, lifestyle, line, marking, net, parquet, physical, play, recreation, school, soccer, sport, sports, stadium, team, training, volleyball, wood,