Ключевые слова: aeration, airing, aluminum, background, chrome, circulation, component, conditioner, constituent, constructed, construction, cooling, cycle, design, designing, detail, ducts, engineering, equipment, feature, fraction, galvanized, hang, heat, house, industry, iron, metallic, metallurgy, modern, obverse, part, piece, piles, pipe, portion, principle, produce, production, section, silver, stainless, steam, steel, structure, system, term, tube, unit, ventilation,