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Related Clues:
- DuPont trademark
- Refrigerator chemical
- Refrigerant trademark since the 1930s
- Aerosol gas
- Fluorine/carbon compound
- Certain refrigerant
- Paperweight plastic
- Controversial refrigeration gas
- Ozone menace
- Refrigerant trademark
- Classic DuPont brand
- Chemical not made since 1995
- Clear furniture material
- Damager of the ozone layer
- Former refrigerant