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1: Bird abatement 2: Soil 3: Alaska 4: Range 5: Maximum mid-expiratory flow rate 6: Community 7: Weed 8: Periplaneta americana 9: Feeder 10: Contamination 11: Change 12: Japan 13: Lead 14: Function 15: Process 16: Fishery 17: Human 18: Electricity 19: Environment 20: Development (As of 14:46)
