機器
60s
activities
adult
aged
agricultural
animals
approving
automated
barn
business
confidence
cow
dairy
dairymaid
elderly
emotions
engagement
entrepreneur
equipment
ethnicity
european
experienced
farmer
farming
glass
indoors
industrial
line
livestock
manufacturing
mechanizing
milk
milkers
milking
people
portrait
processed
professional
recommending
skilled
stall
successful
technology
tools
woman
work
worker