機器
agricultural
agronomy
ancient
antique
close
closeup
cultivation
dirt
disc
energy
equipment
farmland
field
ground
harrow
historic
industrial
industry
land
locomotive
meadow
mechanical
moldboard
nature
obsolete
plant
plow
plowshare
ripper
share
soil
steam
subsoil
summer
tractor
transport
vehicle
vintage
wheat
work