Ключевые слова: activity, ball, ballsport, challenge, championship, china, closeup, competition, concentration, court, equipment, eriksdalshallen, expression, freitas, game, gameplay, hall, handle, indoor, ittf, marcos, match, net, paddle, ping, pingis, pong, portugal, professional, racket, rivalry, rubber, serve, soc, song, speed, sport, stockholm, sweden, table, tabletennis, tennis, two, xu,