英文關鍵字
agricultural
agriculture
barn
bin
bread
business
cereal
compartment
concepts
conveyance
conveyer
conveyor
corn
crop
dry
dryer
elevator
equipment
factory
falls
farm
farming
fast
flour
food
fresh
garner
grain
granary
industrial
industry
kernel
manufacturing
meal
mill
operating
plant
processing
roller
seed
speed
transportation
transporter
wheat
workplace