機器
action
activity
backhoe
biulding
bucket
building
bulldozer
construction
construction site
dig
digging
earth
earthmover
eathmoving works
equipment
exavation
excavation
excavator
hydraulic
industry
loader
machinery
mining
mover
outdoors
red
road
roadwork
rock
sand quarry
scoop
shovel
soil
sunset
tracktype
tractor
unloading
vehicle
work
working