機器
asphalt
auto
barrier
boots
building
bulldozer
car
cartoon
character
collection
cone
construction
crane
design
development
drill
drilling
element
engineering
equipment
excavation
excavator
graphic
group
heavy
helmet
icon
illustration
industrial
industry
machinery
no one
paver
paving
set
sign
symbol
tool
tools
traffic
transport
transportation
truck
under construction
vehicle
work
worker
yellow