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METHYL BROMIDE (5) |
OZONE LAYER (5) |
OZONE-DEPLETING SUBSTANCES (5) |
OZONE (3) |
REFRIGERATION (2) |
CHLOROFLUOROCARBONS (1) |
HYDROCHLOROFLUOROCARBONS (1) |
HYDROFLUOROCARBONS (1) |
METHYL BROMIDE (5) |
OZONE LAYER (5) |
OZONE-DEPLETING SUBSTANCES (5) |
OZONE (3) |
REFRIGERATION (2) |
CHLOROFLUOROCARBONS (1) |
HYDROCHLOROFLUOROCARBONS (1) |
HYDROFLUOROCARBONS (1) |