機器
backhoe
black
building
bulldozer
construct
construction
crawler
dig
digger
dirt
earth
equipment
excavate
excavation
excavator
ground
heavy
hydraulic
icon
industrial
industry
isolated
large
loader
machinery
mining
mover
power
quarry
road
sand
scoop
service
shovel
sign
simple
site
soil
symbol
tractor
transport
transportation
truck
vehicle
wheel
white
work