機器
environmental
auto
automobile
bin
business
cargo
clean
cleanup
collect
collection
collector
container
delivery
disposal
dump
dumpster
ecology
equipment
garbage
garbage truck
hand
industrial
industry
isolated
junk
lorry
man
management
municipal
orange
pickup
plastic
recycle
recycling
rubbish
scrap
service
toy
transport
transportation
trash
truck
urban
vehicle
waste
waste disposal
wheel
work
worker