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 ...
For many years, R-22 was the refrigerant of choice for commercial and residential air conditioning and heat pump systems. Supermarket refrigeration systems, industrial centrifugal chillers, and ...
Grade R applications can be submitted online at: https://wcedonline.westerncape.gov.za/admissions For admission to Grade R, a child must turn six in the year that the ...
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