Ключевые слова: abstract, arena, background, ball, barrier, blur, blurred, chain, chainlink, court, fence, field, football, frame, fun, game, gate, grass, green, grid, ground, industrial, industry, iron, isolated, jail, link, linkage, match, mesh, metal, mini, net, outdoor, park, pattern, play, prison, protection, safety, security, soccer, sport, stadium, steel, texture, wire,