英文關鍵字
agricultural
agriculture
barn
belt
bread
breadstuff
business
cereal
compartment
concepts
conveyer
conveyor
corn
crop
dry
dryer
elevator
equipment
factory
falls
farming
fast
flour
food
fresh
garner
grain
harvest
industry
kernel
machinery
manufacturing
mill
plant
pour
production
seed
speed
storehouse
tank
transportation
transporter
wheat
workplace