機器
backhoe
big
bucket
build
building
bulldozer
construct
construction
development
dig
digger
dirt
earth
earthmover
engineering
excavate
excavating
excavation
excavator
ground
heavy
hydraulic
industrial
industry
job
land
loader
machinery
mover
outdoor
parking
power
road
scoop
shovel
soil
technology
tractor
vehicle
work
working
workplace
yellow
zone