Ключевые слова: above, architecture, background, bottom, bridge, conducting, conduit, construction, czech, district, energy, engineering, fuel, gas, heat, heating, hot, idly, industrial, industry, infrastructure, insulation, iron, landscape, main, metal, pipe, pipeline, pipelines, piping, plant, plumbing, power, service, sky, steel, structure, supply, support, system, technology, thermal, transit, transmission, transportation, tube, tubing, water,