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*ANTARCTIC REGIONS
ICE
2
Ice and Permafrost
STATIONS
2
Snow
2
Surface Transportation and Equipment
*CARGO
1
*CONSTRUCTION MATERIALS
1
*DRAINAGE
1
*LAND ICE
1
*ROADS
1
*SNOW
1
*TRANSPORT AIRCRAFT
1
ACCESS
1
AGGREGATES(MATERIALS)
1
AIR TRAFFIC
1
AIRCRAFT
1
BASE LINES
1
CONSTRUCTION
1
Civil Engineering
1
Construction Equipment
1
DELIVERY
1
FUELS
1
GLACIERS
1
GUIDANCE
1
ICE SHELF
1
ISLANDS
1
LAND AREAS
1
MAINTENANCE
1
MATERIALS
1
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