Ключевые слова: abstract, air duct, aluminum, backgrounds, blank, ceiling, chrome, clean, color image, contemporary, copy space, corrugated, corrugated iron, day, engineering, exhaust, full frame, gray, group of objects, indoors, industry, iron, metal, metallic, modern, monochrome, new, nobody, outdoors, part of, pattern, perspective, photography, pipe, profiled, shiny, silver sparse, stainless steel, steel, striped, sunlight, symmetry, technology, textured, textured effect, tube,