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1: Active solar heating system 2: Soil 3: Community 4: Feeder 5: Fishery 6: Contamination 7: Range 8: Carbon 9: Change 10: Lead 11: Hazard 12: Japan 13: Electricity 14: Water 15: Process 16: Atmosphere 17: Current 18: Condition 19: Sample 20: Uptake (As of 00:21)
