Ключевые слова: abstract, aluminum, background, black, blue, building, bunch, circle, closeup, construction, corrosion, cylinder, environment, grey, group, heap, horizontal, industrial, industry, iron, light, material, metal, metallic, objects, parallel, pattern, perspective, pile, pipe, pipeline, pipes, profile, rod, round, rust, section, shape, shiny, square, stack, stainless, steel, structure, sunlight, texture, tools, tube, tubes, warehouse,