Ключевые слова: 3d, abstract, aluminium, aluminum, architecture, backdrop, background, buildings, business, circles, cladding, commercial, construction, contemporary, convex, corrugate, corrugated, discs, economy, exterior, glass, grey, handrail, illustration, industry, iron, material, metal, metallic, modern, new, outdoors, panel, reflection, rippled, round, rounds, sector, steel, strength, structure, warehouse, wavy,