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aluminium
aluminum
arrange
beer
broken
can
canned
cola
conservation
container
creased
crumpled
crushed
damaged
denied
disposable
distorted
dump
ecology
environmental
garbage
grey
industry
junk
loss
monochromatic
pack
packaging
pollution
pop
recycle
reduction
rescue
reuse
ring
shiny
silver
social issues
soda
steel
tin
trash
twisted
used
waste
zero