機器
backhoe
bucket
building
bulldozer
construction site
crawler
dig
digging
earth
earthmover
earthmoving
earthwork
eathmoving works
equipment
excavation
excavation works
excavator
field
gravel
hydraulic
industry
loader
loading
machinery
mining
mover
outdoors
roadwork
sand
sand quarry
scoop
shovel
soil
technology
tracktype
tractor
vehicle
wheel loader
work
working
yellow