英文關鍵字
all
backhoe
big
build
building
bulldozer
concrete
construction
debris
demolish
development
dig
digger
dipper
dirt
dump
earth
earthmover
earthwork
equipment
excavate
excavation
excavator
germany
ground
heap
heavy
hydraulic
industry
land
lift
loader
loads
machine
machinery
map
mover
moving
old
paving
power
rakes
remove
road
rubble
sand
shovel
site
smash
states
steel
timelapse
tractor
transportation
transports
truck
vector
vehicle
wheel
work
works
yellow