Ключевые слова: abstract, alloy, aluminium, aluminum, architecture, backdrop, background, bar, brushed, concrete, corrosion, corrugated, design, equipment, factory, fence, foundation, hard, heavy, industrial, industry, iron, material, metal, metallic, modern, old, pattern, pile, plate, rhombus, rust, rusty, sheet, shiny, silver, steel, structure, structures, texture, tin,