Ключевые слова: air, background, close up, construction, control, cool, cooling tower, cryogenic, dangerous, dolomites, energy, engine, exchange, factory, freezer, freezer food, frost, gas, heat, heat exchanger, heating, industrial, industry, liquid, manufacturing, melt, metal, nitrogen, physics, physiotherapy, pipe, pipeline, plant, power, ppe, pressure, processing, safety, science, scrubber, smoke, station, steam, steel, supply, tank, technical, technology, temperature, valve,