機器
a breakage
agricultural
agriculture
antique
caterpillar tractor
corrosion
country
countryside
crawler
cultivation
dirt
driving
earth
equipment
farm
farming
farmland
field
harvest
illustrative
industry
iron
land
machinery
metal
natural
old
outdoor
property
ranch
retro
ripe
rural
rural scenic
rustic summer
rusty
soil
stone
strong
technics
threw
tractor
vehicle
village
vintage
work