機器
利用する
environmental
auto
automobile
automotive
background
bin
car
cargo
carrying
clean
collection
container
disposal
dispose
dump
dumped
dumptruck
environment
equipment
garbage
green
industrial
industry
isolated
junk
loading
pickup
recycle
recycling
refuse
render
reuse
rubbish
sanitation
scrap
service
tire
transport
transportation
trash
truck
urban
used
utility
vehicle
waste
wheel
white