Ключевые слова: color, connection, construction, distribution, dusk, elegance, energy, engineering, environment, evening, flow, fuel, gas, horizon, industrial, industry, infrastructure, landscape, long, mechanical, metal, modern, nature, network, oil, oil and gas, outdoor, perspective, petrochemical, pipeline, piping, power, pressure, refinery, resource, serene, sky, steel, sunset, sunset colors, supply, sustainability, system, technology, tranquil, transmission, transport, tube, utility, vibrant,