Ключевые слова: black, black domino, block, board, business, chain, chain reaction, challenge, concept, continuity, danger, domino, domino effect, dominoes, effect, entertainment, falling, gambling, game, group, horizontal, imbalance, in a row, leisure, mind, mind game, mind games, number, numbers, pattern, piece, repetition, risk, still life, strategy, success, table came, teamwork, tile, tiles, toy,