機器
activity
backhoe
bucket
build
bulldozer
business
construction
development
dig
digger
dirt
earth
engineering
equipment
excavate
excavating
excavation
excavator
ground
heavy
hydraulic
icon
illustration
industrial
industry
loader
logo
machinery
mover
moving
object
power
quarry
sand
scoop
shovel
silhouette
site
sky
soil
symbol
tractor
transport
transportation
vehicle
work
yellow