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HYDROFLUOROCARBONS (2) |
OZONE (2) |
OZONE LAYER (2) |
OZONE-DEPLETING SUBSTANCES (2) |
CLIMATE (1) |
GLOBAL WARMING (1) |
REFRIGERATION (1) |
HYDROFLUOROCARBONS (2) |
OZONE (2) |
OZONE LAYER (2) |
OZONE-DEPLETING SUBSTANCES (2) |
CLIMATE (1) |
GLOBAL WARMING (1) |
REFRIGERATION (1) |