機器
environmental
biomass
bottle
business
care
collect
conveyor
dirty
disposal
dump
eco
ecological
ecology
equipment
factory
garbage
industrial
industry
landfill
machinery
manufacturing
material
modern
operating
packaging
plastic
procedure
process
processing
production
recycle
recycled
recycling
renewal
reusable
reuse
room
rubbish
salvaging
scrapyard
separate
separation
sorting
tape
technology
trash
waste
work