機器
bucket
build
bulldozer
business
change
construction
damage
destroying
destruction
development
digging
dirt
dump
dust
duty
earth
economy
estate
excavate
expansion
fragile
growth
impact
job
land
loader
machinery
massive
material
mover
paradise
perspective
power
progress
real
real estate
resort
road
sand
scene
scenery
shoveling
structure
sunlight
transport
truck
unspoiled
vehicle
work