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EPA Certification Test - Questions And Answers Latest 2023 Graded A+
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EPA Certification Test - Questions And Answers Latest 2023 Graded A+. Which refrigerant is a CFC? - Answer - R-12 Which refrigerant is an HCFC? - Answer - R-123 & R-22 Which refrigerant is an HFC? - Answer - R-134a Which refrigerant contains no chlorine? - Answer - R-134a The Molecule found in...
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