機器
activity
asphalt
build
building
business
clay
compactor
construction
construction site
development
dirt
dredger
engineer
engineering
equipment
exterior
freeway
gravel
highway
hydraulic
industrial
industry
labor
machinery
movement
mover
people
process
quarrying
repairing
road
roadworks
roller
site
smooth
soil
structure
technology
track
tractor
truck
vehicle
vibration
vibratory roller
wheel
work
worker
working
workplace