機器
accident
asphalt
background
bad
break
car
city
condition
construction
crack
cracked
damage
damaged
danger
dangerous
defect
destruction
dig
dirt
dirty
gray
ground
grunge
highway
hole
industry
infrastructure
machinery
maintenance
movement
old
outdoors
pavement
pit
pot
pothole
reconstruction
repair
road
roadworks
russia
sign
street
surface
technology
transport
warning
water
winter