機器
action
activity
architecture
backhoe
blade
building
bulldozer
business
construction
construction site
crane
dig
digger
digging
earth
earthmover
earthmoving
engineering
equipment
excavating
excavation
excavator
gravel
ground
heavy
hydraulic
industrial
industry
job
land
loader
machinery
mining
mover
power
sand
sandpit
scoop
shovel
site
sky
tractor
transport
transportation
truck
vehicle
wheel
work
yellow