機器
environmental
bag
box
business
clean
commercial
concept
conservation
container
delivery
design
dump
ecology
equipment
factory
garbage
green
industrial
industry
manufacturing
material
metal
object
packaging
pile
plant
plastic
pollution
power
processing
product
protection
recycle
recycled
recycling
renewable
reusable
reuse
room
scrap
shop
sorting
symbol
transportation
trash
used
wash
waste
water