利用する
environmental
aluminum
アルミニウム
abundance
background
bundle
can
cans
collect
collection
compressed
conservation
crushed
cubes
discarded
disposal
dispose
dump
ecological
ecology
environment
factory
flattened
garbage
heap
industrial
industry
junk
junkyard
landfill
mass
material
metal
old
pile
pollution
pressed
recycle
recycled
recycling
refuse
reusable
reuse
rubbish
scrap
stack
trash
waste
yard