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1. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (3,612)
2. Chemistry  (1,922)
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4. Transporting  (1,653)
5. Performing Operations  (1,653)
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12. Climate Change Mitigation Technologies Related To Wastewatertreatment Or Waste Management  (1,036)
13. Technical Subjects Covered By Former Us Classification  (951)
14. Climate Change Mitigation Technologies In The Production Orprocessing Of Goods  (868)
15. Climate Change Mitigation Technologies Related Totransportation  (477)
16. Machines Or Engines For Liquids  (455)
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