Ключевые слова: background, bright, building, closeup, compressor, concrete, connection, construction, control, crane, detail, dirty, distribution, energy, engineering, entrance, equipment, faucet, fuel, gas, gate, grunge, home, industrial, industry, iron, lifting, line, measure, metal, methane, modern, old, one, pipe, pipeline, power, safety, steel, structure, supply, system, technology, the pressure, tool, tube, valve, wall, work, yellow,