Sectors are artificial areas, different in geo-climatic conditions and connected with each other by passage tunnels. Together, they form the Range and the ones that are accessible in the game belong to Polygon-4.
The sectors territory is surrounded by a kind of energy field, but more often with high mountain ridges, since this reduces the power expenditures. That should protect the sector's environment from the outside gases, emissions, etc. The stability of many conditions in the sector is maintained with the help of climate actuators. In order to minimize the power consumption, the sectors were located in the parts of the planet which would at least remotely reflect the conditions that are expected to be found inside the sector. For instance, the Arctic Sector is located close to the planet's South Pole, while the swamps are to be found somewhere in the area of the Equator.
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