Ключевые слова: abstract, background, black, carpet, coating, colours, covering, crumb, decorative, design, detail, diagonal, empty, exercise, field, fitness, floor, fragment, game, grain, ground, gym, industry, kindergarten, mat, modern, nobody, orange, pattern, play, playground, recreational, road, rough, rubber, rubber crumb, safe, safety, sand, slide, soft, sport, stadium, surface, texture, triangle, used, wall, wellness, yellow,