Ключевые слова: block, blocks, blue, board, clean, clear, compete, competition, competitive, dive, diving, exercise, float, fresh, healthy, in a row, jumping, lane, line, liquid, new, nobody, number 1, numbers, one, platform, pool, race, recreation, row, sport, start, starting, summer, surface, swim, swimming, swimming equipment, swimming pool water, swimming race, tile, training, transparency, vertical, water, wet,