機器
asphalt
auto
automobile
car
city
clean
cleaner
cleanup
dirt
driving
dust
equipment
flow
fresh
grass
industry
irrigation
modern
moscow
motion
orange
outdoor
pavement
pure
road
roadway
russia
service
sink
spatter
special
splash
spray
stream
street
summer
tank
town
transport
transportation
truck
urban
vehicle
wash
water
watering
work