機器
agricultural
agriculture
auto
background
car
direction
dirt
dirty
distant
drive
dry
dust
earth
engine
farming
farmland
field
green
ground
growth
horizontal
impress
imprint
land
landscape
line
machinery
mark
meadow
nature
pattern
road
rural
terrain
texture
tire
trace
track
tractor
traffic
trail
transportation
truck
tyre
vehicle
way
wheel
wind