aged
backyard
big
bin
can
city
clean
container
dirt
dirty
discard
disposable
disposal
dump
dumpster
dustbin
ecological
ecology
environment
environmental
garbage
green
industrial
junk
lid
litter
mobile
old
plastic
public
receptacle
recycle
recycling
refuse
residual
road
rubbish
sanitation
scrap
street
symbol
three
trash
urban
waste
wheel
wheeled
wheelie