英文關鍵字
manufacturing
product
worker
put
box
package
production
working
cup
conveyor
plastic
factory
belt
industry
process
container
molding
extrusion
industrial
moving
closeup
technology
equipment
robot
vacuum
machinery
food
plant
thermo
movement
clean
control
stretch
indoors
processing
recycling
interior
thermoplastic
molded
manufacture
reusable