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1: Active solar heating system 2: Soil 3: Community 4: Feeder 5: Fishery 6: Range 7: Contamination 8: Carbon 9: Change 10: Lead 11: Japan 12: Hazard 13: Electricity 14: Process 15: Water 16: Current 17: Condition 18: Atmosphere 19: Sample 20: Environment (As of 14:17)
GWP --->Global Warming Potential