機器
bale
belt
bottle
chemical
collection
composite
conveyor
disposable
disposal
dump
ecology
environment
environmental
equipment
fabric
facility
factory
garbage
hazardous
heap
industrial
industry
material
modern
packaging
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plant
plastic
pollution
process
processing
product
production
recycle
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recycling
resource
reuse
separation
sorting
stack
storage
sustainable
technology
trash
treatment
waste