coefficient of performance of a refrigerating machine

coefficient of performance of a refrigerating machine: Макаров: холодильный коэффициент

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Refrigeration — Commercial refrigeration Ice is used to refriger … Wikipedia
Air conditioning — The term air conditioning refers to the cooling and dehumidification of indoor air for thermal comfort. In a broader sense, the term can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air.… … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium

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