Ключевые слова: abstract, aluminum, background, black, building, burnish, chromium, circle, close, cylinder, decline, drawing, engineering, goods, gray, group, heavy, industrial, industry, iron, isolated, metal, new, nobody, object, perspective, picture, pipeline, product, profile, reflection, row, section, shiny, smoking pipe, stack, stainless, steel, technology, tube, tubing, white,