For many years, hydrofluorocarbon (HFC)-134a was the alternate refrigerant of choice to replace chlorofluorocarbon (CFC)-12 in many medium- and high-temperature stationary refrigeration, air ...
HFC-134a is the alternative refrigerant of choice to replace CFC-12 in many medium- and high-temperature stationary refrigeration and air conditioning applications. It has also replaced R-12 in ...
This is the second time since February 2020 the rare Russian aircraft has been intercepted. The twin-engine jet is a derivative of the Soviet-era Tu-134 narrow-body airliner that first flew in July ...
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