英文關鍵字
packets
bottles
milk
move
conveyors
workers
dairy
factory
defocusing
adult
automation
belt
beverage
business
caps
commercial
complicated
container
drink
engineering
female
food
human
indoor
industrial
inside
liquid
mechanical
people
pipe
piping
plant
plastic
precision
produce
product
ranks
red
silver
stand
stay
steel
sterilized
storage
technology
track
transportation
white
woman
work