英文關鍵字
bale
business
cardboard
close
collection
compressed
conservation
disposal
dump
eco
ecological
ecology
environment
environmental
fabric
factory
garbage
industrial
industry
junk
landfill
machine
manufacture
manufacturing
material
materials
newspaper
package
paper
pile
plant
pollution
press
pressed
process
processing
production
raw
recycle
recycled
recycling
resource
reuse
rubbish
secondary
sheet
stack
storage
storehouse
technology
trash
waste
wastepaper