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(*EARTH HANDLING EQUIPMENT
CONSTRUCTION
4
Construction Equipment
4
Materials & Supplies
4
TRANSLATIONS
4
USSR
4
Ice and Permafrost
3
Snow
3
(*SOILS
2
ARCTIC REGIONS)
2
FREEZING
2
HEATING
2
PERMAFROST
2
SOIL MECHANICS
2
SOILS
2
Structural Engineering and Building Technology
2
(*PERMAFROST
1
*EXCAVATION
1
*FOUNDATIONS(STRUCTURES))
1
*SOILS
1
AUTOMATION
1
COLD WEATHER TESTS
1
CUTTING
1
CUTTING TOOLS
1
DRILLING
1
EARTHWORK
1
ECONOMICS
1
EFFECTIVENESS)
1
EXCAVATIONS
1
EXPLOSION EFFECTS
1
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