機器
action
bucket
building
construction
dig
digger
dredger
earth
equipment
excavation
excavator
extracting
extraction
gravel
heavy
hydraulic
industrial
industry
landscape
loader
loading
machinery
mechanical
mine
mining
mover
outdoors
power
quarry
quarrying
road
rock
sand
scoop
shovel
site
sky
slope
soil
technology
vehicle
work
yellow