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- Manufacture of refined petroleum products (2)
- Processing of nuclear fuel [includes extraction of uranium metal from pitchblende or other uranium bearing ores; manufacture of alloys, dispersions or mixtures of natural uranium or its compounds; manufacture of enriched uranium and its compounds; plutonium and its compounds; uranium depleted in U 235 and its compounds; other radioactive elements, isotopes or compounds; and, nonirradiated fuel elements for use in nuclear reactors] (1)