英文關鍵字
biological
container
crushed
danger
dirty
dump
ecological
ecology
environment
environmental
factory
fill
garbage
gather
green
hazardous
heap
industrial
industry
junk
landfill
leftovers
manufacturing
material
metal
obsolete
packaging
pile
plant
plastic
pollute
pollution
product
recyclable
recycle
recycling
reduce
reuse
road
rubbish
rust
sanitary
sanitation
scrap
storage
transport
transportation
trash
truck
waste