Ключевые слова: aerial, air, blue, building, central, construction, cool, cooled, cooling, department, distribution, engine, equipment, factory, fluid, ground, heater, hot, house, infrastructure, installation, installing, insulated, line, manometer, manufacturing, material, mechanics, metal, metallic, modern, new, outdoor, pipe, pipeline, piping, plumber, pool, power, refinery, station, store, structure, technology, under, utility, valve, ventilation, water, white,