Engine : Refrigeration AC - 327/610 |
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With regards to shipboard refrigeration systems, after July 1, 1992, what action became illegal? |
A) working on a refrigeration system without permission of the officer in charge Marine Inspection |
B) mixing R-12 and R-22 |
C) intentionally venting class I or II refrigerants to the atmosphere |
D) producing a class I refrigerant |
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