機器
activity
backhoe
big
bucket
build
buildozer
construction
development
dig
digger
dredger bucket
equipment
excavation
excavator
excavator shovel
gravel
heavy
hollow
hydraulic
indoors
industrial
industry
loader
machinery
over
power
powerful
quarry
scoop
shovel
sidelong
sideward
sidewise
site
soil
track
tractor
truck
vehicle
work
yellow