英文關鍵字
lots
plastic
bottles
milk
red
caps
factory
moves
circle
automation
belt
beverage
business
cheese
clean
commercial
complicated
concept
conveyor
dairy
drink
empty
engineering
food
industrial
liquid
mechanical
metal
pipe
plant
pouring
precision
pressure
process
produce
product
row
scroll
silver
steel
sterilized
storage
store
technology
track
transportation
water
wet
white
work