機器
activity
backhoe
blade
bucket
building
bulldozer
construction
development
dig
digger
digging
dirt
earth
earthmover
equipment
excavation
excavator
gravel
heavy
hydraulic
icon
industrial
industry
line
loader
machinery
mine
mining
mover
outdoors
outline
quarry
sand
scoop
shovel
sign
site
sky
soil
sunset
symbol
tractor
transportation
unloading
vehicle
work
working
yellow