英文關鍵字
bale
baled
bales
bottle
bottles
business
chemical
chemicals
composite
conveyor
disposable
disposal
dump
ecology
environmental
excavator
fabric
factory
garbage
hazardous
heap
industry
machine
manufacturer
manufacturing
material
packaging
plant
plastic
process
processing
product
production
recycle
recycled
recycling
refuse
resource
scrapyard
separation
sorting
stack
storage
sustainable
technology
trash
waste