機器
action
blade
bucket
build
building
bulldozer
construction
crawler
development
dig
digger
dirt
earth
earthmover
earthmoving
excavation
excavator
gravel
ground
heavy
industrial
industry
land
large
loader
machinery
maintenance
mine
mining
mover
pit
quarry
repair
road
roadworks
rock
sand
sandpit
scoop
shovel
site
soil
tractor
transport
transportation
vehicle
work
works
yellow