機器
asphalt
building
bulldozer
calculation
civil
concrete
construction
construction industry
contractor
control
density
design
development
earth
engineering
equipment
field
flexible
foundation
ground
heavy
highway construction
highway engineering
industry
infrastructure
inspection
maintenance
method
pavement
paving
project
repair
road
roadwork
safety
soil
street
subbase
surface
surveyor
tool
traffic
transportation
under construction
vehicle
weight
wheel
work
定額
Highway engineers touch and inspect laterite soil for construction improvement base road work, Civil Engineer work in the inspector job in highway construction.の素材 [FY310221775471]
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