Ключевые слова: active, activity, adult, aim, aiming, arm, ball, billiard, billiards, caucasian, competition, concentration, cue, fun, game, hall, hand, human, indoors, leisure, male, man, one, people, person, player, playing, pleasure, pocket, pole, pool, portrait, pro, professional, pub, pursuit, recreational, relaxation, room, shot, smart, snooker, social, sport, stick, studying, success, table, white, young,