機器
backhoe
bucket
build
bulldozer
car
collection
construction
contractor
design
dig
digger
earth
engineering
equipment
excavate
excavating
excavation
excavator
graphic
heavy
hydraulic
icon
illustration
industrial
industry
isolated
loader
machinery
mining
mover
power
repair
scoop
shovel
sign
silhouette
track
tractor
transport
transportation
truck
vehicle
wheel
white
work
yellow