英文關鍵字
activity
blade
borrow
bucket
build
bulldozer
cast
cloud
cloudscape
construction
cut
development
digger
diging
earth
engineering
equipment
excavate
excavation
excavator
grass
gravel
ground
grub
heavy
hollow
horizontal
industry
land
large
loader
machine
machinery
mine
mover
pit
power
quarry
sand
sandpit
scoop
shovel
site
sky
soil
vehicle
working