area
background
ban
basket
bin
can
caution
containers
dispose
do
drop
dump
dumping
dustbin
environment
hand
icon
industrial
keep
label
litter
littering
merchandise
no
not
pitch
pitch in
please
pollution
protection
provide
put
recycle
recycling
refuse
restricted
restriction
rubbish
safety
set
sign
slip
stamp
sticker
symbol
technology
throw
trash
use
waste