機器
activity
building
bulldozer
caterpillar
caterpillar track
construction
construction industry
cut
day
development
dirt
dirtied
dirty
earth
earth mover
engineering
equipment
excavate
excavation
ground
heavy
hydraulic
industrial
industry
land
large
loader
loading
machinery
mine
mover
outdoors
power
quarry
scoop
shovel
shoveling
site
summer
tractor
truck
vehicle
vehicle scoop
work
work platform
yellow