agricultural
agriculture
blade
close
coulter
coulters
equipment
farm
farming
field
flat
furrow
green
ground
hedge
industry
iron
machinery
mirrors
new
orange
plant
plough
ploughed
ploughshares
plow
plowed
plowshare
plowshares
power
red
reversible
safety
shares
shovel
spring
stainless
steel
three
tool
tractor
tree
up