機器
agriculture
animal
automatic
back
black
bovine
breast
business
cattle
cheese
clean
closeup
commercial
connect
cow
dairy
detail
equipment
facility
factory
farm
farming
holstein
industrial
industry
mammal
meat
milk
pipe
pressure
process
production
ranch
rural
steel
storage
suction
system
tank
teat
technology
tube
udder
water
white
work