不要
environmental
bulb
care
careless
consequences
contamination
damage
decomposition
dirty
discarded
disposal
earth
ecology
environmental disaster
forest
free
garbage
glass
ground
hazard
health
incandescent lamp
lamp
landscape
light bulb
litter
littering
medical
metal
nature
old
outdoors
park
pollution
recycle
recycling
refuse
response
risk
rubbish
rust
sanitation
sanitation department
stop
symbol
throw away
trash
trash collection
used
waste
waste management
weird