Topic
*BOREHOLES
1
*CUTTING TOOLS
3
*Continuous belt machines
2
*DRILLING MACHINES
2
*ELECTRIC CABLES
1
*ICE PENETRATION
1
*PIPES
1
*ROAD BUILDING EQUIPMENT
1
*UNDERWATER CONSTRUCTION
1
*Underwater cables
1
*Underwater pipelines
1
ARCTIC REGIONS
1
AST42
1
AUGERS
1
BALANCE
1
BELTS
2
BURIED OBJECTS
1
Boring machines
1
Burial
1
CABLES
1
CUTTING
2
Chain saws
1
Civil Engineering
1
Construction Equipment
3
Cutter bars
1
DRILLING
1
DRIVES
1
EARTH HANDLING EQUIPMENT
2
EARTH PENETRATING DEVICES
1
EXCAVATION
EXPLOSIVES
1
GROUND LEVEL
1
HARDENING
1
ICE
1
INTERFACES
1
Ice and Permafrost
1
KINEMATICS
2
LAND AREAS
1
LOADS(FORCES)
1
Ladder trenchers
1
Machinery and Tools
1
Materials & Supplies
3
PE62719A
1
PERFORMANCE(ENGINEERING)
1
PERMAFROST
POWER
1
RATES
1
ROCK
3
SAWS
2
SEDIMENTARY ROCK
1
more ...