Ключевые слова: architecture, backdrop, background, brochure, business, cement, communication, concept, concrete, copper pipe, cover, crude oil, factory, gas, gas industry, gas pipeline, gas pipes, home, industrial, industry, oil, oil factory, pattern, pipe, pipeline, pipelines, pipes, plastic, presentation, silver pipeline, steel, system, texture, transporting, tube, wall, water, water supply, water supply system,