機器
automated
chemistry
conveyer
conveyor
equipment
extrusion
factory
garbage
granule
industrial
industry
line
machinery
manufacturing
material
metal
modern
motion
packaging
pellet
petrochemical
plant
plastic
pollution
polyethylene
polymer
power
press
process
processing
product
production
raw
recycling
reuse
separation
storage
system
technology
transparent
tube
warehouse
water
work