機器
asphalt
background
black
car
color
construction
cross
crossing
crosswalk
floor
highway
industrial
industry
infrastructure
line
maintenance
man
marking
occupation
outdoor
paint
painter
painting
pedestrian
people
repair
road
roads
sign
spray
street
surface
symbol
tarmac
texture
thermoplastic
traffic
transportation
urban
way
white
work
worker
workers