機器
after
arm
backhoe
blade
bucket
building
civil
construction
day
digger
dirt
down
dredge
dredger
duty
earth
earthworks
end
engineering
excavator
heavy
hydraulic
industrial
industry
landscape
loader
machinery
mechanization
metal
mire
mover
mud
muddy
pond
rain
rainfall
reflection
rusted
rusty
shovel
site
sludge
spoon
surface
tool
vehicle
water
wet
work
yellow