機器
architect
big
blue
build
builder
bulldozer
construct
construction
contractor
dig
digger
dirt
dredge
dredger
earth
equipment
excavator
flatten
heap
heavy
industrial
industry
job
labor
machinery
man
move
mover
operate
operator
place
push
road
rock
sand
scoop
sea
shovel
site
sky
soil
track
tractor
transport
vehicle
wheel
work
worker
workplace