英文關鍵字
area
auto
bus
business
car
cargo
city
clean
commercial
company
container
essential
flatbed
garbage
greenery
icon
implements
industrial
lamp
leaving
light
lorry
machine
municipal
park
power
public
recreation
recycle
repair
road
rubbish
service
set
sign
street
supply
symbol
system
town
traffic
transport
trash
tree
truck
utilities
utility
vehicle
waste
worker