英文關鍵字
plastic
cup
production
manufacturing
conveyor
factory
belt
industry
process
container
molding
extrusion
industrial
moving
technology
equipment
robot
vacuum
machinery
food
forming
package
product
plant
automation
seal
row
background
automated
material
stretch
yogurt
closeup
recyclable
nobody
automatic
molded
group
modern
box
conveyer
movement