英文關鍵字
bottle
business
chemical
collect
composition
container
cover
drink
eco
ecology
environment
facility
factory
friendly
garbage
glass
green
hand
household
industry
management
manufacturing
material
metal
organic
packaging
paper
pile
plant
plastic
pollution
preparation
price
process
products
protection
recycle
recycling
reprocessing
reuse
rubbish
separate
separation
store
sustainable
trash
treatment
waste
work
yard