機器
backhoe
breaker
bucket
build
business
city
construct
construction
construction site
develop
development
dig
digger
dirt
dump truck
earth
earth movement
earthmoving
engineering
equipment
excavate
excavating
excavation
excavator
front end loader
frontend loader
gravel
ground
heavy
industrial
industry
job
loader
machinery
occupation
road works
scoop
shovel
site
technology
track
transport
transportation
truck
vehicle
wheel loader
work