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c497W
- Offshore Oil and Gas 227 words cc497-8W
- Export Controls 242 words c498W
- Nuclear Power Authorities (Visitors) 90 words c498W
- Road Vehicles (Fuel) 152 words c498W
- Research Councils 102 words cc498-9W
- Plutonium 185 words c499W
- Radiation (Information) 124 words c499W
- Genetically Engineered Animals 144 words cc499-500W
- Sellafield 200 words c500W
- Coal Mining 103 words