Ключевые слова: abstract, aging, aluminum, ancient, background, blade, board, bolt, crack, edge, fence, flange, flatness, grunge, harsh, image, iron, metal, nail, old, oxidation, paint, paling, palisade, patch, photo, picture, piece, pin, plate, retro, rivets, rough, rust, scratch, screw, seam, spike, spot, stain, steel, texture, tinplate, uneven, vintage, wall,