機器
bailer
big
blue
bucket
bulldozer
construct
construction
contractor
creation
development
digging
dipper
dirt
dredger
earth
earthmover
engineering
equipment
excavator
ground
heavy
industrial
landscape
large
leveling
load
machinery
planning
power
scoop
shipping
shovel
site
sky
soil
tractor
transport
truck
vehicle
wheel
wheels
work
yellow