英文關鍵字
bin
business
can
car
cargo
cleanup
collector
container
day
dirty
disposal
dump
dumping
ecological
environment
environmental
garbage
grille
horizontal
house
industrial
industry
land
machine
man
messy
nature
object
obsolete
paper
person
pollution
public
recycle
recycling
refuse
roadside
rust
semitruck
service
street
sun
technology
tire
trash
truck
unload
vehicle
waste
wheel