Ключевые слова: abstract, background, barb, barbed, barrier, black, border, boundary, color, control, design, farm, farmland, fence, fencing, flower, graphic, guard, iron, isolated, landscape, line, metal, old, pattern, post, posts, prevent, prison, protection, retro, rust, rusted, rusty, safety, secure, security, sharp, silhouette, spring, steel, texture, timber, vintage, wall, war, weed, white, wire, zinc,