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1: Active solar heating system 2: Soil 3: Community 4: Range 5: Bird abatement 6: Lead 7: Hazard 8: Feeder 9: Weed 10: Electricity 11: Contamination 12: Change 13: Japan 14: Fishery 15: Atmosphere 16: Carbon 17: Process 18: Development 19: Action 20: Periplaneta americana (As of 23:25)
A 40-hex is the landscape description hexagon that is established on each of the grid points in the EMAP grid. Actual size of these hexagons is 634.5/16 = 39.7 km2.
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