英文關鍵字
activity
big
build
builder
bulldozer
cabin
city
construct
construction
daylight
digger
dirt
driving
engineering
equimpent
equipment
excavate
excavation
excavator
ground
heavy
hoses
hydraulic
industrial
industry
large
loader
machine
machinery
moving
nature
orange
plant
power
public
shovel
sunny
track
tractor
tree
trees
urban
vehicle
view
work
working
yellow