英文關鍵字
background
belt
box
brown
business
cardboard
carton
container
conveyor
corrugated
crate
cut
distribution
environmental
factory
folded
garbage
heap
indoors
industrial
industry
line
machine
manufacture
manufacturing
material
moving
package
packaging
packing
paper
paperboard
plant
recycle
rough
row
sheet
stack
stacked
stacking
stock
storage
storehouse
wastepaper