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1: Active solar heating system 2: Soil 3: Community 4: Feeder 5: Carbon 6: Lead 7: Range 8: Atom 9: Condition 10: Water 11: Current 12: Contamination 13: Fishery 14: Electricity 15: Process 16: Human 17: Conservation 18: Environment 19: Japan 20: Hazard (As of 13:56)
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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