adult
alien
bin
broom
business
can
cartoon
character
cheerful
city
collar
conservation
container
direction
ecology
employee
employment
environment
environmental
form
fun
garbage
green
iron
items
job
leadership
made
necktie
occupation
old
patched bag
professional
recycle
recycling
reuse
rubbish
street
suit
symbol
throw
trash
waste
work
worker