英文關鍵字
plastic
container
production
manufacturing
conveyer
belt
industry
process
molding
extrusion
factory
machine
industrial
technology
cup
equipment
vacuum
machinery
food
package
product
plant
automation
processing
line
automated
manufacture
work
automatic
forming
interior
conveyor
yogurt
recycling
stack
material
indoors
working
thermo
thermoplastic
closeup
reusable
robot
fast
packing