Ключевые слова: aluminum, building, bunch, bundle, carbon, chrome, chrome pipes, circle, close up, construction, cylinder, decline, diminishing perspective, duct, equipment, gas, gas pipe, group of objects, heavy, heavy industry, hollow, in a row, industry, iron, manufacture, material, metal, metal pipe, metallic, natural gas, oil industry, pipe, pipeline, render, rod, rough, rusty, shiny, silver, stack, stainless steel, steel, steel pipes, strength, technology, three dimensional shape, tube, tubing, warehouse, water pipe,