機器
agriculture
animal
automatic
automation
back
black
bovine
breast
business
cattle
closeup
commercial
connect
cow
cows
dairy
dark
detail
dirty
equipment
facility
factory
farm
farming
holstein
industrial
industry
mammal
metal
milk
milking
muddy
pipe
pressure
process
production
ranch
rural
steel
storage
suction
system
teat
technology
tube
udder
unclean
white
work